diff --git a/doc/intro_for_developers.bb b/doc/intro_for_developers.bb
index f9dbb96ff..b8a4e4eb5 100644
--- a/doc/intro_for_developers.bb
+++ b/doc/intro_for_developers.bb
@@ -6,8 +6,6 @@
 
 [boot.php] Every process uses this to bootstrap the application structure
 
-[custom] site-specific overrides of modules in mod/, excluded from git
-
 [doc] Help Files
 
 [images] core required images
@@ -22,6 +20,8 @@
 
 [mod] Controller modules based on URL pathname (e.g. #^[url=http://sitename/foo]http://sitename/foo[/url] loads mod/foo.php)
 
+[mod/site/] site-specific mod overrides, excluded from git
+
 [util] translation tools, main English string database and other miscellaneous utilities
 
 [version.inc] contains current version (auto-updated via cron for the master repository and distributed via git)