Fix typo

Change-Id: I4f58c7cabb00a152cb2b38a07bbe50a685c1d0a0
Reviewed-on: https://gerrit.libreoffice.org/54540Reviewed-by: Julien Nabet <serval2412@yahoo.fr>
Tested-by: Jenkins <ci@libreoffice.org>

sw/inc/IGrammarContact.hxx

@@ -46,7 +46,7 @@ public:
     virtual SwGrammarMarkUp* getGrammarCheck( SwTextNode& rTextNode, bool bCreate ) = 0;
 
     /** finishGrammarCheck() has to be called if a grammar checking has been completed
-        for a text node. If this text node has not been hided by the current proxy list
+        for a text node. If this text node has not been hidden by the current proxy list
         it will be repainted. Otherwise the proxy list replaces the old list and the
         repaint will be triggered by a timer
     @returns void