[1209] a small editorial cleanup

src/bin/xfrin/xfrin.py.in

@@ -552,7 +552,7 @@ class XfrinConnection(asyncore.dispatcher):
             self._request_serial = get_soa_serial(zone_soa_rr.get_rdata()[0])
         else:
             # For AXFR, we temporariy provide backward compatible behavior
-            # where xfrin is responsible create zone in the corresponding
+            # where xfrin is responsible for creating zone in the corresponding
             # DB table.  Note that the code below uses the old data source
             # API and assumes SQLite3 in an ugly manner.  We'll have to
             # develop a better way of managing zones in a generic way and