Fix typo

Change-Id: I7fc62743f171d32098591b5600b4cd8b477872cb
Reviewed-on: https://gerrit.libreoffice.org/71780
Tested-by: Jenkins
Reviewed-by: Jens Carl <j.carl43@gmx.de>

sfx2/source/dialog/splitwin.cxx

@@ -576,7 +576,7 @@ void SfxSplitWindow::InsertWindow( SfxDockingWindow* pDockWin, const Size& rSize
     pDock->bNewLine = bNewLine;
     pDock->pWin = pDockWin;
 
-    DBG_ASSERT( nPos==0 || !bNewLine, "Wrong Paramenter!");
+    DBG_ASSERT( nPos==0 || !bNewLine, "Wrong Parameter!");
     if ( bNewLine )
         nPos = 0;