Fix most obvious typos in doc comments

Just opened some files with spell checker turned on,
and corrected what was underlined.

Also, see QTBUG-84427.

Change-Id: I702b5bf2cfe1f23c928a6a57f117a2f571ad86ea
Pick-to: 5.15
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/corelib/kernel/qobject_impl.h b/src/corelib/kernel/qobject_impl.h
index 1a14b93dcd..0c36417a24 100644
--- a/src/corelib/kernel/qobject_impl.h
+++ b/src/corelib/kernel/qobject_impl.h
@@ -75,7 +75,7 @@ namespace QtPrivate {
     { static const int *types() { static const int t[sizeof...(Args) + 1] = { (QtPrivate::QMetaTypeIdHelper<Args>::qt_metatype_id())..., 0 }; return t; } };
 
     // implementation of QSlotObjectBase for which the slot is a static function
-    // Args and R are the List of arguments and the returntype of the signal to which the slot is connected.
+    // Args and R are the List of arguments and the return type of the signal to which the slot is connected.
     template<typename Func, typename Args, typename R> class QStaticSlotObject : public QSlotObjectBase
     {
         typedef QtPrivate::FunctionPointer<Func> FuncType;