sfx2: adapt comment to reality

Change-Id: I9dd2934eaa7b479460c3a2dc7d2d51ce5c767a9f
(cherry picked from commit b20de6c5)

include/sfx2/viewsh.hxx

@@ -320,7 +320,7 @@ public:
     SAL_DLLPRIVATE void TakeFrameOwnership_Impl();
     SAL_DLLPRIVATE bool ExecKey_Impl(const KeyEvent& aKey);
 
-    /// The actual implementation of the lok::Document::registerViewCallback() API.
+    /// The actual per-view implementation of lok::Document::registerCallback().
     void registerLibreOfficeKitViewCallback(LibreOfficeKitCallback pCallback, void* pLibreOfficeKitData);
     /// Invokes the registered callback, if there are any.
     void libreOfficeKitViewCallback(int nType, const char* pPayload) const;