Doc: fix typos in the WinRT topic

Change-Id: I7d6340a48a4ce910fdbc6d5adc4605ff5ea13637
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@digia.com>

doc/src/winrt/creator-winrt.qdoc

@@ -42,7 +42,7 @@
     \list 1
 
         \li Select \gui Help > \gui {About Plugins} > \gui {Device Support} >
-            \gui WinRT to enable the experimental Winows Runtime plugin.
+            \gui WinRT to enable the experimental Windows Runtime plugin.
 
         \li Restart \QC to be able to use the plugin.
 
@@ -55,7 +55,7 @@
 
             \li Select \gui Projects > \gui {Build & Run} > \gui {Add Kit} to
                 add a kit for building and running applications on Windows
-                Runtime devices (the local computer, for now) Windows Phones,
+                Runtime devices (the local computer, for now), Windows Phones,
                 or the Windows Phone emulator.
 
         \endlist