Fix typo

Change-Id: Ib4895ce8c0d56b89260ea71734687734298d7c92
Reviewed-on: https://gerrit.libreoffice.org/70168Reviewed-by: Julien Nabet <serval2412@yahoo.fr>
Tested-by: Julien Nabet <serval2412@yahoo.fr>

sw/source/core/doc/notxtfrm.cxx

@@ -997,7 +997,7 @@ void paintGraphicUsingPrimitivesHelper(
             // more some 'grow in outside direction' but with unequal grow
             // values in all directions - just maaany problems
             // involved), use a graphical trick: The topology of the
-            // PolyPolygon uses the stndard FillRule, so adding the now
+            // PolyPolygon uses the standard FillRule, so adding the now
             // guaranteed to be bigger or equal bounding (enclosing)
             // rectangle twice as polygon will expand the BoundRange, but
             // not change the geometry visualization at all