diff --git a/guacamole/src/main/webapp/scripts/service.js b/guacamole/src/main/webapp/scripts/service.js
index 6ae0a1bd7..13ca10226 100644
--- a/guacamole/src/main/webapp/scripts/service.js
+++ b/guacamole/src/main/webapp/scripts/service.js
@@ -91,6 +91,10 @@ GuacamoleService.Connections = {
 
 };
 
+/**
+ * Collection of service functions which deal with users. Each function
+ * makes an explicit HTTP query to the server, and parses the response.
+ */
 GuacamoleService.Users = {
 
     /**