Fix typo

Change-Id: Ib28c9a3df6b6d6b6f65e2c9b0810655b963eb1ff
Reviewed-on: https://gerrit.libreoffice.org/72711
Tested-by: Jenkins
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>

editeng/source/uno/unofored.cxx

@@ -190,7 +190,7 @@ SfxItemState GetSvxEditEngineItemState( EditEngine const & rEditEngine, const ES
         rEditEngine.GetCharAttribs( nPara, aAttribs );
 
         bool bEmpty = true;     // we found no item inside the selection of this paragraph
-        bool bGaps  = false;    // we found items but theire gaps between them
+        bool bGaps  = false;    // we found items but there are gaps between them
         sal_Int32 nLastEnd = nPos;
 
         const SfxPoolItem* pParaItem = nullptr;