improved some comments

debomatic-webui/lib/config.coffee

 ###
 Please DO NOT edit this file.
-Edit auto-generated 'user.config.js' file instead.
+Edit auto-generated 'user.config.coffee' file instead.
 ###
 
 extend = require('extend')
@@ -48,7 +48,7 @@ config.web.debomatic.admin.email = "you AT debian DOT org"
 config.web.debomatic.admin.name = "Your Name"
 
 ###
-Configuration of dput to show the home page.
+Configuration of dput to show in the home page.
 ###
 config.web.debomatic.dput.incoming = config.debomatic.path
 config.web.debomatic.dput.host = config.host
@@ -58,13 +58,14 @@ config.web.debomatic.dput.unsigned_uploads = false
 
 ###
 List of files to get a simple preview and number of lines
-of the preview
+to show
 ###
 config.web.file.preview = ["buildlog"]
 config.web.file.num_lines = 25
 
 ###
-The default preferences
+The default user preferences.
+See /preferences page for more info
 ###
 config.web.preferences.autoscroll = true
 config.web.preferences.header = true