fix typo

svn:r5597

src/or/directory.c

@@ -213,7 +213,7 @@ directory_get_from_dirserver(uint8_t purpose, const char *resource,
       rs = router_pick_directory_server(1, 0, need_v2_support,
                                         retry_if_no_servers);
       /* If we have any hope of building an indirect conn, we know some router
-       * decriptors.  If (rs==NULL), we can't build circuits anyway, so
+       * descriptors.  If (rs==NULL), we can't build circuits anyway, so
        * there's no point in falling back to the authorities in this case.  */
     }
   }