Fix typo

Change-Id: I2b5827c3f6fd7630655d4658844792462f80767e
Reviewed-on: https://gerrit.libreoffice.org/72016
Tested-by: Jenkins
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>

chart2/source/controller/dialogs/tp_DataSource.hxx

@@ -104,7 +104,7 @@ private:
      */
     bool isRangeFieldContentValid(weld::Entry& rEdit);
 
-    /** @return </sal_True>, if the tab-page is in a consistent (commitable) state
+    /** @return </sal_True>, if the tab-page is in a consistent (committable) state
      */
     bool isValid();
     void setDirty();