Update/transformer + typo fix

app/install/source.md

@@ -42,7 +42,7 @@ redirect_from: /install/compile/
     ./configure \
       --lua-suffix=jit \
       --with-lua=/usr/local/openresty/luajit \
-      --with-lua-include=/usr/loca/openresty/luajit/include/luajit-2.1
+      --with-lua-include=/usr/local/openresty/luajit/include/luajit-2.1
     ```
 
     Finally, the [Serf v{{serf_version}}](https://www.serf.io/) executable should be available in one of `/usr/local/bin` or `/usr/bin`. You can use it from a custom location assuming you configure the Kong's `serf_path` property accordingly.

app/plugins/request-transformer.md

@@ -25,14 +25,17 @@ Configuring the plugin is as simple as a single API call, you can configure and
 ```bash
 $ curl -X POST http://kong:8001/apis/{api}/plugins \
     --data "name=request-transformer" \
-    --data "config.add.headers=x-new-header:some_value, x-another-header:some_value" \
+    --data "config.add.headers[1]=x-new-header:some,value" \
+    --data "config.add.headers[2]=x-another-header:some,value" \
     --data "config.add.querystring=new-param:some_value, another-param:some_value" \
     --data "config.add.body=new-form-param:some_value, another-form-param:some_value" \
     --data "config.remove.headers=x-toremove, x-another-one" \
     --data "config.remove.querystring=param-toremove, param-another-one" \
     --data "config.remove.body=formparam-toremove, formparam-another-one"
 ```
 
+Note: if the value contains a `,` then the comma separated format cannot be used. The array notation must be used instead.
+
 `api`: The `id` or `name` of the API that this plugin configuration will target
 
 You can also apply it for every API using the `http://kong:8001/plugins/` endpoint. Read the [Plugin Reference](/docs/latest/admin-api/#add-plugin) for more information.

app/plugins/response-transformer.md

@@ -28,13 +28,16 @@ Configuring the plugin is as simple as a single API call, you can configure and
 ```bash
 $ curl -X POST http://kong:8001/apis/{api}/plugins \
     --data "name=response-transformer" \
-    --data "config.add.headers=x-new-header:some_value, x-another-header:some_value" \
+    --data "config.add.headers[1]=x-new-header:some,value" \
+    --data "config.add.headers[2]=x-another-header:some,value" \
     --data "config.add.json=new-json-key:some_value, another-json-key:some_value" \
     --data "config.remove.headers=x-toremove, x-another-one" \
     --data "config.remove.json=json-key-toremove, another-json-key" \
     --data "config.append.headers=x-existing-header:some_value, x-another-header:some_value"
 ```
 
+Note: if the value contains a `,` then the comma separated format cannot be used. The array notation must be used instead.
+
 `api`: The `id` or `name` of the API that this plugin configuration will target
 
 You can also apply it for every API using the `http://kong:8001/plugins/` endpoint. Read the [Plugin Reference](/docs/latest/admin-api/#add-plugin) for more information.