Merge pull request #26558 from lixiaobing10051267/masterSymbol2

add bash symbol for docker network inspect

docs/userguide/networking/work-with-networks.md

@@ -882,7 +882,7 @@ $ docker network disconnect isolated_nw container3
 ```
 
 ```bash
-docker network inspect isolated_nw
+$ docker network inspect isolated_nw
 
 [
     {