diff --git a/src/gui/image/qbitmap.cpp b/src/gui/image/qbitmap.cpp
index 95a7b1f7a0..e8733885a5 100644
--- a/src/gui/image/qbitmap.cpp
+++ b/src/gui/image/qbitmap.cpp
@@ -240,7 +240,7 @@ QBitmap QBitmap::fromData(const QSize &size, const uchar *bits, QImage::Format m
     image.setColor(0, QColor(Qt::color0).rgb());
     image.setColor(1, QColor(Qt::color1).rgb());
 
-    // Need to memcpy each line separatly since QImage is 32bit aligned and
+    // Need to memcpy each line separately since QImage is 32bit aligned and
     // this data is only byte aligned...
     int bytesPerLine = (size.width() + 7) / 8;
     for (int y = 0; y < size.height(); ++y)
diff --git a/src/gui/image/qicon.cpp b/src/gui/image/qicon.cpp
index deffc7177a..6af74eba53 100644
--- a/src/gui/image/qicon.cpp
+++ b/src/gui/image/qicon.cpp
@@ -192,9 +192,9 @@ static QPixmapIconEngineEntry *bestSizeScaleMatch(const QSize &size, qreal scale
     // scale: we can only differentiate on scale if the scale differs
     if (pa->scale != pb->scale) {
 
-        // Score the pixmaps: 0 is an exact scale match, postive
+        // Score the pixmaps: 0 is an exact scale match, positive
         // scores have more detail than requested, negative scores
-        // have less detail than rquested.
+        // have less detail than requested.
         qreal ascore = pa->scale - scale;
         qreal bscore = pb->scale - scale;
 
@@ -358,7 +358,7 @@ QSize QPixmapIconEngine::actualSize(const QSize &size, QIcon::Mode mode, QIcon::
 {
     QSize actualSize;
 
-    // The returned actiual size is the size in device independent pixels,
+    // The returned actual size is the size in device independent pixels,
     // so we limit the search to scale 1 and assume that e.g. @2x versions
     // does not proviode extra actual sizes not also provided by the 1x versions.
     qreal scale = 1;
diff --git a/src/gui/image/qimage.cpp b/src/gui/image/qimage.cpp
index ebf72e6edf..a497ad60eb 100644
--- a/src/gui/image/qimage.cpp
+++ b/src/gui/image/qimage.cpp
@@ -1025,7 +1025,7 @@ QImage::QImage(const char * const xpm[])
     if (!xpm)
         return;
     if (!qt_read_xpm_image_or_array(nullptr, xpm, *this))
-        // Issue: Warning because the constructor may be ambigious
+        // Issue: Warning because the constructor may be ambiguous
         qWarning("QImage::QImage(), XPM is not supported");
 }
 #endif // QT_NO_IMAGEFORMAT_XPM
diff --git a/src/gui/image/qpixmap.cpp b/src/gui/image/qpixmap.cpp
index 7748ae8285..df05bcc76d 100644
--- a/src/gui/image/qpixmap.cpp
+++ b/src/gui/image/qpixmap.cpp
@@ -1436,7 +1436,7 @@ void QPixmap::detach()
         return;
 
     // QPixmap.data member may be QRuntimePlatformPixmap so use handle() function to get
-    // the actual underlaying runtime pixmap data.
+    // the actual underlying runtime pixmap data.
     QPlatformPixmap *pd = handle();
     QPlatformPixmap::ClassId id = pd->classId();
     if (id == QPlatformPixmap::RasterClass) {
diff --git a/src/gui/image/qplatformpixmap.cpp b/src/gui/image/qplatformpixmap.cpp
index ea4243ba07..665ab57872 100644
--- a/src/gui/image/qplatformpixmap.cpp
+++ b/src/gui/image/qplatformpixmap.cpp
@@ -83,7 +83,7 @@ QPlatformPixmap::QPlatformPixmap(PixelType pixelType, int objectId)
 
 QPlatformPixmap::~QPlatformPixmap()
 {
-    // Sometimes the pixmap cleanup hooks will be called from derrived classes, which will
+    // Sometimes the pixmap cleanup hooks will be called from derived classes, which will
     // then set is_cached to false. For example, on X11 Qt GUI needs to delete the GLXPixmap
     // or EGL Pixmap Surface for a given pixmap _before_ the native X11 pixmap is deleted,
     // otherwise some drivers will leak the GL surface. In this case, QX11PlatformPixmap will
diff --git a/src/gui/image/qpnghandler.cpp b/src/gui/image/qpnghandler.cpp
index 9ef2af8e21..e5c2b044a8 100644
--- a/src/gui/image/qpnghandler.cpp
+++ b/src/gui/image/qpnghandler.cpp
@@ -101,7 +101,7 @@ public:
         ReadingEnd,
         Error
     };
-    // Defines the order of how the various ways of setting colorspace overrides eachother:
+    // Defines the order of how the various ways of setting colorspace overrides each other:
     enum ColorSpaceState {
         Undefined = 0,
         GammaChrm = 1, // gAMA+cHRM chunks
diff --git a/src/gui/itemmodels/qfilesystemmodel.cpp b/src/gui/itemmodels/qfilesystemmodel.cpp
index fd64d51fea..db5a9ea262 100644
--- a/src/gui/itemmodels/qfilesystemmodel.cpp
+++ b/src/gui/itemmodels/qfilesystemmodel.cpp
@@ -896,7 +896,7 @@ bool QFileSystemModel::setData(const QModelIndex &idx, const QVariant &value, in
             *After re-naming something we don't want the selection to change*
             - can't remove rows and later insert
             - can't quickly remove and insert
-            - index pointer can't change because treeview doesn't use persistant index's
+            - index pointer can't change because treeview doesn't use persistent index's
 
             - if this get any more complicated think of changing it to just
               use layoutChanged
diff --git a/src/gui/itemmodels/qstandarditemmodel.cpp b/src/gui/itemmodels/qstandarditemmodel.cpp
index 675b71c530..ed3ffe0460 100644
--- a/src/gui/itemmodels/qstandarditemmodel.cpp
+++ b/src/gui/itemmodels/qstandarditemmodel.cpp
@@ -3160,7 +3160,7 @@ QMimeData *QStandardItemModel::mimeData(const QModelIndexList &indexes) const
         }
     }
 
-    //remove duplicates childrens
+    //remove duplicates children
     {
         QDuplicateTracker<QStandardItem *> seen;
         while (!stack.isEmpty()) {
diff --git a/src/gui/kernel/qkeysequence.cpp b/src/gui/kernel/qkeysequence.cpp
index c10ba93954..2b428784c0 100644
--- a/src/gui/kernel/qkeysequence.cpp
+++ b/src/gui/kernel/qkeysequence.cpp
@@ -1193,7 +1193,7 @@ int QKeySequencePrivate::decodeString(QString accel, QKeySequence::SequenceForma
     } else if (accelRef.at(0) == QLatin1Char('f') && (fnum = accelRef.mid(1).toInt()) >= 1 && fnum <= 35) {
         ret |= Qt::Key_F1 + fnum - 1;
     } else {
-        // For NativeText, check the traslation table first,
+        // For NativeText, check the translation table first,
         // if we don't find anything then try it out with just the untranlated stuff.
         // PortableText will only try the untranlated table.
         bool found = false;
diff --git a/src/gui/kernel/qwindow.cpp b/src/gui/kernel/qwindow.cpp
index cdb2534b2e..355bc28d18 100644
--- a/src/gui/kernel/qwindow.cpp
+++ b/src/gui/kernel/qwindow.cpp
@@ -1991,7 +1991,7 @@ void QWindowPrivate::destroy()
     // Let subclasses act, typically by doing graphics resource cleaup, when
     // the window, to which graphics resource may be tied, is going away.
     //
-    // NB! This is disfunctional when destroy() is invoked from the dtor since
+    // NB! This is dysfunctional when destroy() is invoked from the dtor since
     // a reimplemented event() will not get called in the subclasses at that
     // stage. However, the typical QWindow cleanup involves either close() or
     // going through QWindowContainer, both of which will do an explicit, early
@@ -2771,7 +2771,7 @@ QPointF QWindow::mapFromGlobal(const QPointF &pos) const
         return pos - d->globalPosition();
 
     // Calculate local position in the native coordinate system. (See comment for the
-    // correspinding mapToGlobal() code above).
+    // corresponding mapToGlobal() code above).
     QPointF nativeGlobalPos = QHighDpi::toNativeGlobalPosition(pos, this);
     QPointF nativeWindowGlobalPos = QHighDpi::toNativeGlobalPosition(QPointF(d->globalPosition()), this);
     QPointF nativeLocalPos = nativeGlobalPos - nativeWindowGlobalPos;
diff --git a/src/gui/opengl/qopengl.h b/src/gui/opengl/qopengl.h
index 5c0885f4ec..b09d8e2d1d 100644
--- a/src/gui/opengl/qopengl.h
+++ b/src/gui/opengl/qopengl.h
@@ -165,7 +165,7 @@ QT_BEGIN_NAMESPACE
 #if !QT_CONFIG(opengles2)
 
 // OS X 10.6 doesn't define these which are needed below
-// OS X 10.7 and later defien them in gl3.h
+// OS X 10.7 and later define them in gl3.h
 #ifndef APIENTRY
 #define APIENTRY
 #endif
diff --git a/src/gui/painting/qcssutil.cpp b/src/gui/painting/qcssutil.cpp
index 42e14b3d84..cbbc145453 100644
--- a/src/gui/painting/qcssutil.cpp
+++ b/src/gui/painting/qcssutil.cpp
@@ -352,7 +352,7 @@ void qDrawBorder(QPainter *p, const QRect &rect, const QCss::BorderStyle *styles
     QSize tlr, trr, blr, brr;
     qNormalizeRadii(rect, radii, &tlr, &trr, &blr, &brr);
 
-    // Drawn in increasing order of precendence
+    // Drawn in increasing order of precedence
     if (styles[BottomEdge] != BorderStyle_None && borders[BottomEdge] > 0) {
         qreal dw1 = (blr.width() || paintsOver(styles, colors, BottomEdge, LeftEdge)) ? 0 : borders[LeftEdge];
         qreal dw2 = (brr.width() || paintsOver(styles, colors, BottomEdge, RightEdge)) ? 0 : borders[RightEdge];
diff --git a/src/gui/painting/qdrawhelper_mips_dsp_asm.S b/src/gui/painting/qdrawhelper_mips_dsp_asm.S
index c6b34293b6..895adacba2 100644
--- a/src/gui/painting/qdrawhelper_mips_dsp_asm.S
+++ b/src/gui/painting/qdrawhelper_mips_dsp_asm.S
@@ -1970,7 +1970,7 @@ LEAF_MIPS_DSP(fetchUntransformed_444_asm_mips_dsp)
 2:
     andi             t0, a1, 0x3
     beqz             t0, 3f         /* memory is word aligned */
-     andi            a3, a2, 0x1    /* set the a3 register as the comparation
+     andi            a3, a2, 0x1    /* set the a3 register as the comparison
                                      * for ending the unrolled loop
                                      * (1 if odd, 0 if even) */
     b                1b             /* not word aligned,
diff --git a/src/gui/painting/qdrawhelper_ssse3.cpp b/src/gui/painting/qdrawhelper_ssse3.cpp
index a175b591dd..3d9dbc146a 100644
--- a/src/gui/painting/qdrawhelper_ssse3.cpp
+++ b/src/gui/painting/qdrawhelper_ssse3.cpp
@@ -47,7 +47,7 @@
 QT_BEGIN_NAMESPACE
 
 /* The instruction palignr uses direct arguments, so we have to generate the code fo the different
-   shift (4, 8, 12). Checking the alignment inside the loop is unfortunatelly way too slow.
+   shift (4, 8, 12). Checking the alignment inside the loop is unfortunately way too slow.
  */
 #define BLENDING_LOOP(palignrOffset, length)\
     for (; x-minusOffsetToAlignSrcOn16Bytes < length-7; x += 4) { \
diff --git a/src/gui/painting/qdrawingprimitive_sse2_p.h b/src/gui/painting/qdrawingprimitive_sse2_p.h
index b3bb22fe1b..723727f486 100644
--- a/src/gui/painting/qdrawingprimitive_sse2_p.h
+++ b/src/gui/painting/qdrawingprimitive_sse2_p.h
@@ -64,7 +64,7 @@ QT_BEGIN_NAMESPACE
  * Multiply the components of pixelVector by alphaChannel
  * Each 32bits components of alphaChannel must be in the form 0x00AA00AA
  * colorMask must have 0x00ff00ff on each 32 bits component
- * half must have the value 128 (0x80) for each 32 bits compnent
+ * half must have the value 128 (0x80) for each 32 bits component
  */
 #define BYTE_MUL_SSE2(result, pixelVector, alphaChannel, colorMask, half) \
 { \
@@ -102,7 +102,7 @@ QT_BEGIN_NAMESPACE
  * Each 32bits components of alphaChannel must be in the form 0x00AA00AA
  * oneMinusAlphaChannel must be 255 - alpha for each 32 bits component
  * colorMask must have 0x00ff00ff on each 32 bits component
- * half must have the value 128 (0x80) for each 32 bits compnent
+ * half must have the value 128 (0x80) for each 32 bits component
  */
 #define INTERPOLATE_PIXEL_255_SSE2(result, srcVector, dstVector, alphaChannel, oneMinusAlphaChannel, colorMask, half) { \
     /* interpolate AG */\
diff --git a/src/gui/painting/qoutlinemapper.cpp b/src/gui/painting/qoutlinemapper.cpp
index f7bc2d743f..e92c747010 100644
--- a/src/gui/painting/qoutlinemapper.cpp
+++ b/src/gui/painting/qoutlinemapper.cpp
@@ -354,7 +354,7 @@ void QOutlineMapper::clipElements(const QPointF *elements,
                                     int element_count)
 {
     // We could save a bit of time by actually implementing them fully
-    // instead of going through convenience functionallity, but since
+    // instead of going through convenience functionality, but since
     // this part of code hardly every used, it shouldn't matter.
 
     QScopedValueRollback<bool> in_clip_elements(m_in_clip_elements, true);
diff --git a/src/gui/painting/qpaintengine_raster.cpp b/src/gui/painting/qpaintengine_raster.cpp
index 6dcb3419ea..76489da0b4 100644
--- a/src/gui/painting/qpaintengine_raster.cpp
+++ b/src/gui/painting/qpaintengine_raster.cpp
@@ -969,7 +969,7 @@ void QRasterPaintEnginePrivate::drawImage(const QPointF &pt,
     if (iw <= 0)
         return;
 
-    // adapt the y paremeters...
+    // adapt the y parameters...
     int cy1 = clip.y();
     int cy2 = clip.y() + clip.height();
     int y = qRound(pt.y());
@@ -1039,7 +1039,7 @@ void QRasterPaintEnginePrivate::blitImage(const QPointF &pt,
     if (iw <= 0)
         return;
 
-    // adapt the y paremeters...
+    // adapt the y parameters...
     int cy1 = clip.y();
     int cy2 = clip.y() + clip.height();
     int y = qRound(pt.y());
diff --git a/src/gui/painting/qpainterpath.cpp b/src/gui/painting/qpainterpath.cpp
index c36747ee16..bfe86b251d 100644
--- a/src/gui/painting/qpainterpath.cpp
+++ b/src/gui/painting/qpainterpath.cpp
@@ -2126,7 +2126,7 @@ bool QPainterPath::intersects(const QRectF &rect) const
 
     Q_D(QPainterPath);
 
-    // Check if the rectangle surounds any subpath...
+    // Check if the rectangle surrounds any subpath...
     for (int i=0; i<d->elements.size(); ++i) {
         const Element &e = d->elements.at(i);
         if (e.type == QPainterPath::MoveToElement && rect.contains(e))
diff --git a/src/gui/painting/qpolygon.h b/src/gui/painting/qpolygon.h
index 32567dcef8..a8997c5e3d 100644
--- a/src/gui/painting/qpolygon.h
+++ b/src/gui/painting/qpolygon.h
@@ -51,7 +51,7 @@ class QTransform;
 class QRect;
 class QVariant;
 
-// We export each out-of-line method invidually to prevent MSVC from
+// We export each out-of-line method individually to prevent MSVC from
 // exporting the whole QList class.
 class QPolygon : public QList<QPoint>
 {
diff --git a/src/gui/painting/qt_mips_asm_dsp_p.h b/src/gui/painting/qt_mips_asm_dsp_p.h
index 172910ea1c..88f1f84e1c 100644
--- a/src/gui/painting/qt_mips_asm_dsp_p.h
+++ b/src/gui/painting/qt_mips_asm_dsp_p.h
@@ -277,7 +277,7 @@ LEAF_MIPS32R2(symbol)                                   \
 
 /*
  * Saves set of registers on stack. Maximum number of registers that
- * can be saved on stack is limitted to 14 (a0-a3, v0-v1 and s0-s7).
+ * can be saved on stack is limited to 14 (a0-a3, v0-v1 and s0-s7).
  * Stack offset is number of bytes that are added to stack pointer (sp)
  * before registers are pushed in order to provide enough space on stack
  * (offset must be multiple of 4, and must be big enough, as described by
@@ -352,7 +352,7 @@ LEAF_MIPS32R2(symbol)                                   \
 
 /*
  * Restores set of registers from stack. Maximum number of registers that
- * can be restored from stack is limitted to 14 (a0-a3, v0-v1 and s0-s7).
+ * can be restored from stack is limited to 14 (a0-a3, v0-v1 and s0-s7).
  * Stack offset is number of bytes that are added to stack pointer (sp)
  * after registers are restored (offset must be multiple of 4, and must
  * be big enough, as described by CHECK_STACK_OFFSET macro). This macro is
diff --git a/src/gui/painting/qtransform.cpp b/src/gui/painting/qtransform.cpp
index 6e3adb6702..9d4f28c895 100644
--- a/src/gui/painting/qtransform.cpp
+++ b/src/gui/painting/qtransform.cpp
@@ -1724,7 +1724,7 @@ QPolygon QTransform::mapToPolygon(const QRect &rect) const
         MAP(rect.x(), bottom, x[3], y[3]);
     }
 
-    // all coordinates are correctly, tranform to a pointarray
+    // all coordinates are correctly, transform to a pointarray
     // (rounding to the next integer)
     a.setPoints(4, qRound(x[0]), qRound(y[0]),
                 qRound(x[1]), qRound(y[1]),
diff --git a/src/gui/platform/darwin/qmacmime.mm b/src/gui/platform/darwin/qmacmime.mm
index a248f8fb15..3b3b888f0f 100644
--- a/src/gui/platform/darwin/qmacmime.mm
+++ b/src/gui/platform/darwin/qmacmime.mm
@@ -168,7 +168,7 @@ QMacInternalPasteboardMime::QMacInternalPasteboardMime(char t) : type(t)
 
 /*
   Destroys a conversion object, removing it from the global
-  list of available convertors.
+  list of available converters.
 */
 QMacInternalPasteboardMime::~QMacInternalPasteboardMime()
 {
diff --git a/src/gui/platform/unix/qxkbcommon.cpp b/src/gui/platform/unix/qxkbcommon.cpp
index e4d93ceb55..b1ec320b87 100644
--- a/src/gui/platform/unix/qxkbcommon.cpp
+++ b/src/gui/platform/unix/qxkbcommon.cpp
@@ -749,7 +749,7 @@ void QXkbCommon::verifyHasLatinLayout(xkb_keymap *keymap)
     // This means that lookupLatinKeysym() will not find anything and latin
     // key shortcuts might not work. This is a bug in the affected desktop
     // environment. Usually can be solved via system settings by adding e.g. 'us'
-    // layout to the list of seleced layouts, or by using command line, "setxkbmap
+    // layout to the list of selected layouts, or by using command line, "setxkbmap
     // -layout rus,en". The position of latin key based layout in the list of the
     // selected layouts is irrelevant. Properly functioning desktop environments
     // handle this behind the scenes, even if no latin key based layout has been
diff --git a/src/gui/platform/unix/qxkbcommon_p.h b/src/gui/platform/unix/qxkbcommon_p.h
index 197268dbc1..7575b2627d 100644
--- a/src/gui/platform/unix/qxkbcommon_p.h
+++ b/src/gui/platform/unix/qxkbcommon_p.h
@@ -82,7 +82,7 @@ public:
                              bool superAsMeta = false, bool hyperAsMeta = false);
 
     // xkbcommon_* API is part of libxkbcommon internals, with modifications as
-    // desribed in the header of the implementation file.
+    // described in the header of the implementation file.
     static void xkbcommon_XConvertCase(xkb_keysym_t sym, xkb_keysym_t *lower, xkb_keysym_t *upper);
     static xkb_keysym_t qxkbcommon_xkb_keysym_to_upper(xkb_keysym_t ks);
 
diff --git a/src/gui/platform/wasm/qwasmlocalfileaccess.cpp b/src/gui/platform/wasm/qwasmlocalfileaccess.cpp
index 85c894a74a..a5460f0ba7 100644
--- a/src/gui/platform/wasm/qwasmlocalfileaccess.cpp
+++ b/src/gui/platform/wasm/qwasmlocalfileaccess.cpp
@@ -166,7 +166,7 @@ void openFile(const std::string &accept,
 
 void saveFile(const char *content, size_t size, const std::string &fileNameHint)
 {
-    // Save a file by creating programatically clicking a download
+    // Save a file by creating programmatically clicking a download
     // link to an object url to a Blob containing the file content.
     // File content is copied once, so that the passed in content
     // buffer can be released as soon as this function returns - we
diff --git a/src/gui/rhi/qrhigles2.cpp b/src/gui/rhi/qrhigles2.cpp
index af3de4c828..7d7e8a9226 100644
--- a/src/gui/rhi/qrhigles2.cpp
+++ b/src/gui/rhi/qrhigles2.cpp
@@ -1986,7 +1986,7 @@ void QRhiGles2::enqueueSubresUpload(QGles2Texture *texD, QGles2CommandBuffer *cb
         cmd.args.subImage.h = size.height();
         cmd.args.subImage.glformat = texD->glformat;
         cmd.args.subImage.gltype = texD->gltype;
-        // Default unpack alignment (row start aligment
+        // Default unpack alignment (row start alignment
         // requirement) is 4. QImage guarantees 4 byte aligned
         // row starts, but our raw data here does not.
         cmd.args.subImage.rowStartAlign = (bytesPerLine & 3) ? 1 : 4;
diff --git a/src/gui/text/qfontdatabase.cpp b/src/gui/text/qfontdatabase.cpp
index c6523d2e7f..e35e647f8b 100644
--- a/src/gui/text/qfontdatabase.cpp
+++ b/src/gui/text/qfontdatabase.cpp
@@ -2403,7 +2403,7 @@ QFontEngine *QFontDatabasePrivate::findFont(const QFontDef &request,
     unsigned int score = UINT_MAX;
     int index = match(multi ? QChar::Script_Common : script, request, family_name, foundry_name, &desc, blackListed, &score);
     if (score > 0 && QGuiApplicationPrivate::platformIntegration()->fontDatabase()->populateFamilyAliases(family_name)) {
-        // We populated familiy aliases (e.g. localized families), so try again
+        // We populated family aliases (e.g. localized families), so try again
         index = match(multi ? QChar::Script_Common : script, request, family_name, foundry_name, &desc, blackListed);
     }
 
diff --git a/src/gui/text/qtextcursor.cpp b/src/gui/text/qtextcursor.cpp
index a27ef81500..49db54c545 100644
--- a/src/gui/text/qtextcursor.cpp
+++ b/src/gui/text/qtextcursor.cpp
@@ -612,7 +612,7 @@ bool QTextCursorPrivate::movePosition(QTextCursor::MoveOperation op, QTextCursor
                     ++row;
                 }
                 cell = table->cellAt(row, column);
-                // note we also continue while we have not reached a cell thats not merged with one above us
+                // note we also continue while we have not reached a cell that's not merged with one above us
             } while (cell.isValid()
                     && ((op == QTextCursor::NextRow && currentRow == cell.row())
                         || cell.row() < row));
@@ -625,7 +625,7 @@ bool QTextCursorPrivate::movePosition(QTextCursor::MoveOperation op, QTextCursor
                     --row;
                 }
                 cell = table->cellAt(row, column);
-                // note we also continue while we have not reached a cell thats not merged with one above us
+                // note we also continue while we have not reached a cell that's not merged with one above us
             } while (cell.isValid()
                     && ((op == QTextCursor::PreviousRow && currentRow == cell.row())
                         || cell.row() < row));
diff --git a/src/gui/text/qtextdocument_p.cpp b/src/gui/text/qtextdocument_p.cpp
index c902b878bf..69730256cb 100644
--- a/src/gui/text/qtextdocument_p.cpp
+++ b/src/gui/text/qtextdocument_p.cpp
@@ -59,7 +59,7 @@ QT_BEGIN_NAMESPACE
 
 #define PMDEBUG if(0) qDebug
 
-// The VxWorks DIAB compiler crashes when initializing the anonymouse union with { a7 }
+// The VxWorks DIAB compiler crashes when initializing the anonymous union with { a7 }
 #if !defined(Q_CC_DIAB)
 #  define QT_INIT_TEXTUNDOCOMMAND(c, a1, a2, a3, a4, a5, a6, a7, a8) \
           QTextUndoCommand c = { a1, a2, 0, 0, quint8(a3), a4, quint32(a5), quint32(a6), { int(a7) }, quint32(a8) }
diff --git a/src/gui/text/qtextdocumentlayout.cpp b/src/gui/text/qtextdocumentlayout.cpp
index c5ef47e682..abc062bc91 100644
--- a/src/gui/text/qtextdocumentlayout.cpp
+++ b/src/gui/text/qtextdocumentlayout.cpp
@@ -1519,7 +1519,7 @@ static inline qreal collapseOffset(const QTextDocumentLayoutPrivate *p, const Ed
 // there was no edge B (due to a rowspan or the axis C-D being the table's right
 // border).
 //
-// ignoreEdgesAbove: true if an egde (left, right or top) for the first row
+// ignoreEdgesAbove: true if an edge (left, right or top) for the first row
 // after a table page break should be painted. In this case the edges of the
 // row above must be ignored.
 static inline double prioritizedEdgeAnchorOffset(const QTextDocumentLayoutPrivate *p,
diff --git a/src/gui/text/qtextengine.cpp b/src/gui/text/qtextengine.cpp
index b8ffaf3151..a30ca258ac 100644
--- a/src/gui/text/qtextengine.cpp
+++ b/src/gui/text/qtextengine.cpp
@@ -81,7 +81,7 @@ public:
     }
 
     /// generate the script items
-    /// The caps parameter is used to choose the algoritm of splitting text and assiging roles to the textitems
+    /// The caps parameter is used to choose the algorithm of splitting text and assigning roles to the textitems
     void generate(int start, int length, QFont::Capitalization caps)
     {
         if (caps == QFont::SmallCaps)
@@ -3264,7 +3264,7 @@ QFixed QTextEngine::calculateTabWidth(int item, QFixed x) const
                     }
                 }
                 else if (tabSpec.type == QTextOption::DelimiterTab)
-                    // find delimitor character to calculate the width required
+                    // find delimiter character to calculate the width required
                     tabSectionEnd = qMax(si.position, layoutData->string.indexOf(tabSpec.delimiter, si.position) + 1);
 
                 if (tabSectionEnd > si.position) {
diff --git a/src/gui/text/qtextlayout.cpp b/src/gui/text/qtextlayout.cpp
index ad5e827bdd..f81d489c88 100644
--- a/src/gui/text/qtextlayout.cpp
+++ b/src/gui/text/qtextlayout.cpp
@@ -2002,7 +2002,7 @@ void QTextLine::layout_helper(int maxGlyphs)
                 // and when we then end up breaking on the next glyph we compute the right bearing
                 // and end up with a line width that is slightly larger width than what was requested.
                 // Unfortunately we can't remove this optimization as it will slow down text
-                // layouting significantly, so we accept the slight correctnes issue.
+                // layouting significantly, so we accept the slight correctness issue.
                 if ((lbh.calculateNewWidth(line) + qAbs(lbh.minimumRightBearing)) > line.width)
                     lbh.calculateRightBearing();
 
diff --git a/src/gui/util/qgridlayoutengine_p.h b/src/gui/util/qgridlayoutengine_p.h
index 341d159fb1..329202571b 100644
--- a/src/gui/util/qgridlayoutengine_p.h
+++ b/src/gui/util/qgridlayoutengine_p.h
@@ -100,7 +100,7 @@ enum {
     Minimal container to store Qt::Orientation-discriminated values.
 
     The salient feature is the indexing operator, which takes
-    Qt::Orientation (and assumes it's passed only Qt::Horizonal or Qt::Vertical).
+    Qt::Orientation (and assumes it's passed only Qt::Horizontal or Qt::Vertical).
 */
 template <typename T>
 class QHVContainer {