diff --git a/src/corelib/kernel/qobject.cpp b/src/corelib/kernel/qobject.cpp
index a82242939d..36db55d25a 100644
--- a/src/corelib/kernel/qobject.cpp
+++ b/src/corelib/kernel/qobject.cpp
@@ -4194,7 +4194,7 @@ void qDeleteInEventHandler(QObject *o)
                 connecting to a static function or a functor
     \a slot a pointer only used when using Qt::UniqueConnection
     \a type the Qt::ConnctionType passed as argument to connect
-    \a types an array of integer with the metatype id of the parametter of the signal
+    \a types an array of integer with the metatype id of the parameter of the signal
              to be used with queued connection
              must stay valid at least for the whole time of the connection, this function
              do not take ownership. typically static data.
@@ -4209,7 +4209,7 @@ QMetaObject::Connection QObject::connectImpl(const QObject *sender, void **signa
                                              const int *types, const QMetaObject *senderMetaObject)
 {
     if (!sender || !signal || !slotObj || !senderMetaObject) {
-        qWarning("QObject::connect: invalid null parametter");
+        qWarning("QObject::connect: invalid null parameter");
         if (slotObj)
             slotObj->destroyIfLastRef();
         return QMetaObject::Connection();
diff --git a/src/corelib/kernel/qobjectdefs_impl.h b/src/corelib/kernel/qobjectdefs_impl.h
index 68d8fdf961..1452e720ad 100644
--- a/src/corelib/kernel/qobjectdefs_impl.h
+++ b/src/corelib/kernel/qobjectdefs_impl.h
@@ -59,7 +59,7 @@ namespace QtPrivate {
     /*
        The following List classes are used to help to handle the list of arguments.
        It follow the same principles as the lisp lists.
-       List_Left<L,N> take a list and a number as a parametter and returns (via the Value typedef,
+       List_Left<L,N> take a list and a number as a parameter and returns (via the Value typedef,
        the list composed of the first N element of the list
      */
 #ifndef Q_COMPILER_VARIADIC_TEMPLATES
@@ -113,7 +113,7 @@ namespace QtPrivate {
         - ArgumentCount  is the number of argument, or -1 if it is unknown
         - the Object typedef is the Object of a pointer to member function
         - the Arguments typedef is the list of argument (in a QtPrivate::List)
-        - the Function typedef is an alias to the template parametter Func
+        - the Function typedef is an alias to the template parameter Func
         - the call<Args, R>(f,o,args) method is used to call that slot
             Args is the list of argument of the signal
             R is the return type of the signal