diff --git a/samples/dataview/dataview.cpp b/samples/dataview/dataview.cpp
index d25e956005..4f614f682f 100644
--- a/samples/dataview/dataview.cpp
+++ b/samples/dataview/dataview.cpp
@@ -561,7 +561,7 @@ void MyFrame::BuildDataViewCtrl(wxPanel* parent, unsigned int nPanel, unsigned l
             m_ctrl[0]->AppendColumn( column0 );
 #if 0
             // Call this and sorting is enabled
-            // immediatly upon start up.
+            // immediately upon start up.
             column0->SetAsSortKey();
 #endif
 
diff --git a/samples/help/demo.cpp b/samples/help/demo.cpp
index b160d187c8..fe210ccbb5 100644
--- a/samples/help/demo.cpp
+++ b/samples/help/demo.cpp
@@ -75,7 +75,7 @@
 #endif
 
 // ----------------------------------------------------------------------------
-// ressources
+// resources
 // ----------------------------------------------------------------------------
 // the application icon
 #ifndef wxHAS_IMAGES_IN_RESOURCES
diff --git a/samples/opengl/penguin/dxfrenderer.cpp b/samples/opengl/penguin/dxfrenderer.cpp
index bcc37f4d2b..464ccc65fd 100644
--- a/samples/opengl/penguin/dxfrenderer.cpp
+++ b/samples/opengl/penguin/dxfrenderer.cpp
@@ -547,7 +547,7 @@ bool DXFRenderer::ParseEntities(wxInputStream& stream)
 }
 
 // parse and load a DXF file
-// currently pretty limited, but knows enought do handle 3DFACEs and LINEs
+// currently pretty limited, but knows enough to handle 3DFACEs and LINEs
 bool DXFRenderer::Load(wxInputStream& stream)
 {
     Clear();
diff --git a/samples/opengl/penguin/trackball.h b/samples/opengl/penguin/trackball.h
index b676fb4e54..cf9b5fc32d 100644
--- a/samples/opengl/penguin/trackball.h
+++ b/samples/opengl/penguin/trackball.h
@@ -45,14 +45,14 @@
  * the mouse, scaled so they are from (-1.0 ... 1.0).
  *
  * The resulting rotation is returned as a quaternion rotation in the
- * first paramater.
+ * first parameter.
  */
 void
 trackball(float q[4], float p1x, float p1y, float p2x, float p2y);
 
 /*
  * Given two quaternions, add them together to get a third quaternion.
- * Adding quaternions to get a compound rotation is analagous to adding
+ * Adding quaternions to get a compound rotation is analogous to adding
  * translations to get a compound translation.  When incrementally
  * adding rotations, the first argument here should be the new
  * rotation, the second and third the total rotation (which will be
diff --git a/samples/stc/edit.h b/samples/stc/edit.h
index 7f4e914fb4..a91cc335da 100644
--- a/samples/stc/edit.h
+++ b/samples/stc/edit.h
@@ -11,7 +11,7 @@
 #define _EDIT_H_
 
 //----------------------------------------------------------------------------
-// informations
+// information
 //----------------------------------------------------------------------------
 
 
@@ -127,7 +127,7 @@ private:
     // file
     wxString m_filename;
 
-    // lanugage properties
+    // language properties
     LanguageInfo const* m_language;
 
     // margin variables