diff --git a/config.inc.php b/config.inc.php
index 15098767..27f44ad4 100644
--- a/config.inc.php
+++ b/config.inc.php
@@ -311,6 +311,7 @@ $CONF['recipient_delimiter'] = "";
 // Note that this may fail if PHP is run in "safe mode", or if
 // operating system features (such as SELinux) or limitations
 // prevent the web-server from executing external scripts.
+// Parameters: (1) username (2) domain (3) maildir (4) quota
 // $CONF['mailbox_postcreation_script']='sudo -u courier /usr/local/bin/postfixadmin-mailbox-postcreation.sh';
 
 // Optional:
@@ -318,6 +319,7 @@ $CONF['recipient_delimiter'] = "";
 // Note that this may fail if PHP is run in "safe mode", or if
 // operating system features (such as SELinux) or limitations
 // prevent the web-server from executing external scripts.
+// Parameters: (1) username (2) domain (3) maildir (4) quota
 // $CONF['mailbox_postedit_script']='sudo -u courier /usr/local/bin/postfixadmin-mailbox-postedit.sh';
 
 // Optional:
@@ -325,6 +327,7 @@ $CONF['recipient_delimiter'] = "";
 // Note that this may fail if PHP is run in "safe mode", or if
 // operating system features (such as SELinux) or limitations
 // prevent the web-server from executing external scripts.
+// Parameters: (1) username (2) domain
 // $CONF['mailbox_postdeletion_script']='sudo -u courier /usr/local/bin/postfixadmin-mailbox-postdeletion.sh';
 
 // Optional:
@@ -332,6 +335,7 @@ $CONF['recipient_delimiter'] = "";
 // Note that this may fail if PHP is run in "safe mode", or if
 // operating system features (such as SELinux) or limitations
 // prevent the web-server from executing external scripts.
+// Parameters: (1) username
 //$CONF['domain_postcreation_script']='sudo -u courier /usr/local/bin/postfixadmin-domain-postcreation.sh';
 
 // Optional:
@@ -339,6 +343,7 @@ $CONF['recipient_delimiter'] = "";
 // Note that this may fail if PHP is run in "safe mode", or if
 // operating system features (such as SELinux) or limitations
 // prevent the web-server from executing external scripts.
+// Parameters: (1) username
 // $CONF['domain_postdeletion_script']='sudo -u courier /usr/local/bin/postfixadmin-domain-postdeletion.sh';
 
 // Optional: