cleanup, docs

site/doc/pages/socket_close.txt

@@ -12,7 +12,5 @@ Closes an existing socket connection.
 
 Use this when you are done with a socket opened through `socket_connect()`.
 
-Related:
-
-- PHP: PHP sockets and stream APIs like `socket_connect()`, `fread()`, `fwrite()`, and stream clients
-- JavaScript / Node.js: Node `net.Socket` connect, read, write, and close operations
+:example
+print("socket_close is resource-bound; configure the service or connection, then call it in request code.\n");