fix some documentation glitches

(cherry picked from commit 72db7df3)

doc/qtcreator.qdoc

@@ -1095,8 +1095,9 @@
     watchers, registers, etc, Qt Creator comes with additional features to make
     debugging Qt-based applications easy. The debugger frontend knows about the
     internal layout of several Qt classes such as QString, the QTL containers,
-    and most importantly QObject (and classes derived from it). Therefore, it
-    is able to present Qt's data clearly.
+    and most importantly QObject (and classes derived from it), as well as 
+    most containers of the C++ Standard Library, and is therefore able to
+    present their contents in a useful way.
 
 
     \section1 Debugger Engine Installation Notes
@@ -1291,8 +1292,8 @@
 
     The \gui{Locals and Watchers} view also provides access to the most
     powerful feature of the debugger: comprehensive display of data belonging
-    to Qt's basic objects. To enable this feature, select \gui{Use Custom
-    Display for Qt Objects} from the \gui Debug menu.The
+    to Qt's basic objects. To enable this feature, select \gui{Use
+    debugging helper} from the \gui Debug menu.The
     \gui{Locals and Watchers} view will be re-organized to provide a high-level
     view of the objects. For example, in case of QObject, instead of displaying
     a pointer to some private data structure, you will see a list of children,