Fix doc xGroup param value type

Yurunsoft · michael-grunder · commit 50151e7a4f7b · 2022-10-05T13:58:04.000-07:00
diff --git a/README.markdown b/README.markdown
@@ -3765,8 +3765,8 @@ _**Description**_:  This command is used in order to create, destroy, or manage
 
 ##### *Example*
 ~~~php
-$obj_redis->xGroup('CREATE', 'mystream', 'mygroup', 0);
-$obj_redis->xGroup('CREATE', 'mystream', 'mygroup2', 0, true); /* Create stream if non-existent. */
+$obj_redis->xGroup('CREATE', 'mystream', 'mygroup', '0');
+$obj_redis->xGroup('CREATE', 'mystream', 'mygroup2', '0', true); /* Create stream if non-existent. */
 $obj_redis->xGroup('DESTROY', 'mystream', 'mygroup');
 ~~~
 
