Clarify docs on the path-prefix subcommand of the listen command

editions/tw5.com/tiddlers/webserver/WebServer Parameter_ path-prefix.tid

@@ -1,6 +1,6 @@
 caption: path-prefix
 created: 20180630180514893
-modified: 20180702154716090
+modified: 20200311171847360
 tags: [[WebServer Parameters]]
 title: WebServer Parameter: path-prefix
 type: text/vnd.tiddlywiki
@@ -12,3 +12,5 @@ This example causes the server to serve from http://127.0.0.1/MyApp instead of t
 ```
 tiddlywiki mywikifolder --listen "path-prefix=/MyApp"
 ```
+
+Note that further steps are required to configure the client-side components to use the prefix. See [[Using a custom path prefix with the client-server edition]].