Tix fypo.

editor/libeditor/base/PlaceholderTxn.cpp

@@ -165,7 +165,7 @@ NS_IMETHODIMP PlaceholderTxn::Merge(nsITransaction *aTransaction, PRBool *aDidMe
     *aDidMerge = PR_TRUE;
 //  RememberEndingSelection();
 //  efficiency hack: no need to remember selection here, as we haven't yet 
-//  finished the inital batch and we know we will be told when the batch ends.
+//  finished the initial batch and we know we will be told when the batch ends.
 //  we can remeber the selection then.
   }
   else