diff --git a/lisp/info.el b/lisp/info.el
index 368255092a1..320ac7de65c 100644
--- a/lisp/info.el
+++ b/lisp/info.el
@@ -1897,8 +1897,10 @@ of NODENAME; if none is found it then tries a case-insensitive match
                     (if (equal nodename "") "Top" nodename) nil strict-case)))
 
 (defun Info-goto-node-web (node)
-  "Use `browse-url' to go to the gnu.org web server's version of NODE.
-By default, go to the current Info node."
+  "Use `browse-url' to go to the gnu.org Web server's version of NODE.
+By default, go to the URL corresponding to the current Info node.
+
+This uses `Info-url-for-node' to determine the URL that corresponds to NODE."
   (interactive (list (Info-read-node-name
                       "Go to node (default current page): " Info-current-node))
                Info-mode)
@@ -1924,7 +1926,10 @@ By default, go to the current Info node."
 (defun Info-url-for-node (node)
   "Return the URL corresponding to NODE.
 
-NODE should be a string of the form \"(manual)Node\"."
+NODE should be a string of the form \"(manual)Node\".
+
+The correspondence between Info manuals and their Web URLs is
+established by `Info-url-alist', which see."
   ;; GNU Texinfo skips whitespaces and newlines between the closing
   ;; parenthesis and the node-name, i.e. space, tab, line feed and
   ;; carriage return.