fix whitespace

Signed-off-by: Priya Bibra <[email protected]>

go/flags/endtoend/vtgate.txt

@@ -238,7 +238,7 @@ Usage of vtgate:
   --mysql_tcp_version string
 	Select tcp, tcp4, or tcp6 to control the socket type. (default tcp)
   --no_scatter
-	when set to true, the planner will fail instead of producing a plan that includes scatter queries
+  when set to true, the planner will fail instead of producing a plan that includes scatter queries
   --no_vstream_copy
   when set to true, vstream copy will not be allowed - temporary until we can properly support RDONLY for this
   --normalize_queries