diff --git a/docs/en/latest/plugins/response-rewrite.md b/docs/en/latest/plugins/response-rewrite.md
index 392d367254f2..9f1312e0bed1 100644
--- a/docs/en/latest/plugins/response-rewrite.md
+++ b/docs/en/latest/plugins/response-rewrite.md
@@ -83,7 +83,7 @@ curl http://127.0.0.1:9180/apisix/admin/routes/1  -H 'X-API-KEY: edd1c9f034335f1
                 "set": {
                     "X-Server-id": 3,
                     "X-Server-status": "on",
-                    "X-Server-balancer_addr": "$balancer_ip:$balancer_port"
+                    "X-Server-balancer-addr": "$balancer_ip:$balancer_port"
                 }
             },
             "vars":[
@@ -107,7 +107,7 @@ Besides `set` operation, you can also `add` or `remove` response header like:
 ```json
 "headers": {
     "add": [
-        "X-Server-balancer_addr: $balancer_ip:$balancer_port"
+        "X-Server-balancer-addr: $balancer_ip:$balancer_port"
     ],
     "remove": [
         "X-TO-BE-REMOVED"
@@ -137,7 +137,7 @@ Transfer-Encoding: chunked
 Connection: keep-alive
 X-Server-id: 3
 X-Server-status: on
-X-Server-balancer_addr: 127.0.0.1:80
+X-Server-balancer-addr: 127.0.0.1:80
 
 {"code":"ok","message":"new json body"}
 ```
@@ -170,7 +170,7 @@ curl http://127.0.0.1:9180/apisix/admin/routes/1 -H 'X-API-KEY: edd1c9f034335f13
         "set": {
             "X-Server-id":3,
             "X-Server-status":"on",
-            "X-Server-balancer_addr":"$balancer_ip:$balancer_port"
+            "X-Server-balancer-addr":"$balancer_ip:$balancer_port"
         }
       },
       "filters":[
diff --git a/docs/zh/latest/plugins/response-rewrite.md b/docs/zh/latest/plugins/response-rewrite.md
index a59c34f54806..be409411b346 100644
--- a/docs/zh/latest/plugins/response-rewrite.md
+++ b/docs/zh/latest/plugins/response-rewrite.md
@@ -84,7 +84,7 @@ curl http://127.0.0.1:9180/apisix/admin/routes/1 \
                 "set": {
                     "X-Server-id": 3,
                     "X-Server-status": "on",
-                    "X-Server-balancer_addr": "$balancer_ip:$balancer_port"
+                    "X-Server-balancer-addr": "$balancer_ip:$balancer_port"
                 }
             },
             "vars":[
@@ -108,7 +108,7 @@ curl http://127.0.0.1:9180/apisix/admin/routes/1 \
 ```json
 "headers": {
     "add": [
-        "X-Server-balancer_addr: $balancer_ip:$balancer_port"
+        "X-Server-balancer-addr: $balancer_ip:$balancer_port"
     ],
     "remove": [
         "X-TO-BE-REMOVED"
@@ -138,7 +138,7 @@ Transfer-Encoding: chunked
 Connection: keep-alive
 X-Server-id: 3
 X-Server-status: on
-X-Server-balancer_addr: 127.0.0.1:80
+X-Server-balancer-addr: 127.0.0.1:80
 
 {"code":"ok","message":"new json body"}
 ```
@@ -169,7 +169,7 @@ curl http://127.0.0.1:9180/apisix/admin/routes/1 -H 'X-API-KEY: edd1c9f034335f13
         "set": {
             "X-Server-id":3,
             "X-Server-status":"on",
-            "X-Server-balancer_addr":"$balancer_ip:$balancer_port"
+            "X-Server-balancer-addr":"$balancer_ip:$balancer_port"
         }
       },
       "filters":[