more install notes

diff --git a/INSTALL b/INSTALL
index 559a441dbd1f30e68875a40fb89b29aa49570811..ceb73c3b9cd9b79e28cc51a91d31f326c0cc6ac1 100644 (file)
--- a/INSTALL
+++ b/INSTALL
@@ -17,11 +17,13 @@ hosting provider prior to installation.
        - Apache with mod-rewrite enabled and "Options All" so you can use a 
 local .htaccess file
 
-       - PHP > 5.1. The later the better. You'll need 5.3 for full openssl 
+       - PHP > 5.1. The later the better. You'll need 5.3 for encryption of key
+exchange conversations
 encryption support
                - PHP *command line* access with register_argc_argv set to true in the 
 php.ini file
                - curl, gd, mysql, and openssl extensions
+               - mcrypt (optional; used for end-to-end message encryption)
 
        - Mysql 5.x