diff --git a/CODING_NOTES.php.txt b/CODING_NOTES.php.txt
index b761abb9f5e7b368548cdc42a0fec0bfbe3eef86..8288a03aff38e1c7b981acda25c66e1badb02545 100644
--- a/CODING_NOTES.php.txt
+++ b/CODING_NOTES.php.txt
@@ -8,6 +8,9 @@ Some guidelines for web development with php.
 * Magic quotes is gone in php6, get used to it now. config = magic_quotes_gpc() Everything must be quoted
 * Don't use ereg,split and other old function -> gone in php 5.4 or 6 (different information on php.net) http://www.php.net/manual/en/migration53.deprecated.php
 * Don't use shorttags. A Shorttag is <? and that is confusing with <?xml -> always <?php
+* Column names in database tables and database table names are in lowercase
+* Classes for the interface are located in interface/lib/classes/ and loaded with $app->uses() or $app->load() functions.
+* Classes for the server are located in server/lib/classes/ and loaded with $app->uses() or $app->load() functions.
 
 please mark any section that need review or work on with
 // TODO