diff --git a/interface/wx/frame.h b/interface/wx/frame.h
index 584c6eca01..6a16f9ac66 100644
--- a/interface/wx/frame.h
+++ b/interface/wx/frame.h
@@ -460,6 +460,8 @@ public:
         This function is not available in the other ports by design, any
         occurrences of it in the portable code must be guarded by
         @code #ifdef __WXMSW__ @endcode preprocessor guards.
+
+        @since 3.1.0
     */
     wxTaskBarButton* MSWGetTaskBarButton();
 
diff --git a/interface/wx/taskbarbutton.h b/interface/wx/taskbarbutton.h
index 48696270aa..f17c92c65a 100644
--- a/interface/wx/taskbarbutton.h
+++ b/interface/wx/taskbarbutton.h
@@ -351,11 +351,11 @@ public:
         Constructs the wxAppProgressIndicator.
 
         @param parent
-            The parent window handle of wxAppProgressIndicator. Note that the
+            The parent window of wxAppProgressIndicator. Note that the
             window should has taskbar button showing.
         @param maxValue
     */
-    wxAppProgressIndicator(WXWidget parent, int maxValue);
+    wxAppProgressIndicator(wxWindow* parent, int maxValue);
     virtual ~wxAppProgressIndicator();
 
     /**