More notes on rlm_expr

diff --git a/raddb/radiusd.conf.in b/raddb/radiusd.conf.in
index ea4f29c..3064419 100644 (file)
--- a/raddb/radiusd.conf.in
+++ b/raddb/radiusd.conf.in
@@ -748,10 +748,14 @@ instantiate {
        #
        #       Session-Timeout = `%{expr:2 + 3}`
        #
-       #  So the module needs to be instantiated, but CANNOT be
+       #  This module needs to be instantiated, but CANNOT be
        #  listed in any other section.  See 'doc/rlm_expr' for
        #  more information.
        #
+       #  rlm_expr is also responsible for registering many 
+       #  other xlat functions such as md5, sha1 and lc.
+       #
+       #  We do not recommend removing it's listing here.
        expr
 
        #