diff --git a/app.js b/app.js
index ccf3225..4d9462f 100755
--- a/app.js
+++ b/app.js
@@ -18,8 +18,8 @@ if (process.argv[2] == "--first-time") {
 // Define the modules now so they are global
 let users // contains a list of users, each user is an object containing username,prettyname,hash and description
 let posts // contains a list of posts,
-let comments
-let config
+let comments // contains a list of comments
+let config // contains a set of configuration for the site, see example-config.js for an example
 
 try {
     // We're going to try and import the modules,