diff --git a/heartbeat/pgagent b/heartbeat/pgagent
index 26ea13cb4..4c4a9670b 100644
--- a/heartbeat/pgagent
+++ b/heartbeat/pgagent
@@ -1,152 +1,154 @@
 #!/bin/sh
 #
 #       High-Availability pgagent OCF resource agent
 #
-# Description:  starts/stops pgagent.
+# Description:  Starts/stops pgagent
+#               This agent is for Debian systems only,
+#               as it rely on start-stop-daemon.
 # Author:       Oleg Selin
 # License:      GNU General Public License (GPL)
 #
 # OCF parameters:
 #  OCF_RESKEY_connection_string
 #  OCF_RESKEY_user
 #  OCF_RESKEY_options
 #
 #######################################################################
 # Initialization:
 : ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat}
 . ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs
 
 OCF_RESKEY_executable_default="/usr/bin/pgagent"
 OCF_RESKEY_connection_string_default="user=postgres host=/var/run/postgresql"
 OCF_RESKEY_user_default="postgres"
 OCF_RESKEY_options_default="-r 5"
 
 : ${OCF_RESKEY_executable="${OCF_RESKEY_executable_default}"}
 : ${OCF_RESKEY_connection_string="${OCF_RESKEY_connection_string_default}"}
 : ${OCF_RESKEY_user="${OCF_RESKEY_user_default}"}
 : ${OCF_RESKEY_options="${OCF_RESKEY_options_default}"}
 
 pgagent_validate_all() {
         check_binary pgagent
         check_binary start-stop-daemon
         ocf_log debug "executable: '$OCF_RESKEY_executable'"
         ocf_log debug "connection string: '$OCF_RESKEY_connection_string'"
         ocf_log debug "user: '$OCF_RESKEY_user'"
         ocf_log debug "options: '$OCF_RESKEY_options'"
         if [ -z "$OCF_RESKEY_connection_string" ]; then
                 ocf_log err "Connection string is not configured!"
                 exit $OCF_ERR_CONFIGURED
         fi
         if [ -z "$OCF_RESKEY_user" ]; then
                 ocf_log err "User is not configured!"
                 exit $OCF_ERR_CONFIGURED
         fi
         getent passwd $OCF_RESKEY_user >/dev/null 2>&1
         if [ ! $? -eq 0 ]; then
                 ocf_log err "User $OCF_RESKEY_user doesn't exist";
                 return $OCF_ERR_CONFIGURED;
         fi
         return $OCF_SUCCESS
 }
 
 pgagent_start() {
         pgagent_validate_all
         start-stop-daemon --exec $OCF_RESKEY_executable --chuid $OCF_RESKEY_user --background --start -- $OCF_RESKEY_options $OCF_RESKEY_connection_string
         check_status
         if [ $? -eq 0 ]; then
                 return $OCF_SUCCESS
         elif [ $? -eq 1 ]; then
                 ocf_log info "pgagent already running"
                 return $OCF_SUCCESS
         fi
         return $OCF_ERR_GENERIC
 }
 
 pgagent_stop() {
         pgagent_validate_all
         start-stop-daemon --exec $OCF_RESKEY_executable --chuid $OCF_RESKEY_user --stop
         check_status
         if [ $? -eq 0 ]; then
                 return $OCF_SUCCESS
         elif [ $? -eq 1 ]; then
                 ocf_log info "pgagent is not running and the pid file exists!"
                 return $OCF_SUCCESS
         fi
         return $OCF_ERR_GENERIC
 }
 
 pgagent_monitor() {
         check_status
         if [ $? -eq 0 ]; then
                 return $OCF_SUCCESS
         fi
         return $OCF_NOT_RUNNING
 }
 
 check_status() {
         start-stop-daemon --exec $OCF_RESKEY_executable --status
         return $?
 }
 
 meta_data() {
         cat <<END
 <?xml version="1.0"?>
 <!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
 <resource-agent name="pgagent" version="1.0">
 <version>1.0</version>
 <longdesc lang="en">This is a pgagent Resource Agent.</longdesc>
 <shortdesc lang="en">Controls pgagent</shortdesc>
 <parameters>
 <parameter name="connection_string">
 <longdesc lang="en">Connection string for pgagent.</longdesc>
 <shortdesc lang="en">pgagent connection string</shortdesc>
 <content type="string" default="$OCF_RESKEY_connection_string_default" />
 </parameter>
 <parameter name="user">
 <longdesc lang="en">User to run pgagent as.</longdesc>
 <shortdesc lang="en">User to run pgagent</shortdesc>
 <content type="string" default="$OCF_RESKEY_user_default" />
 </parameter>
 <parameter name="options">
 <longdesc lang="en">Options for pgagent.</longdesc>
 <shortdesc lang="en">pgagent run options, see pgagent --help for details</shortdesc>
 <content type="string" default="$OCF_RESKEY_options_default" />
 </parameter>
 </parameters>
 <actions>
 <action name="start" timeout="5" />
 <action name="stop" timeout="5" />
 <action name="monitor" timeout="20" interval="10" depth="0" />
 <action name="meta-data" timeout="5" />
 <action name="validate-all" timeout="5" />
 </actions>
 </resource-agent>
 END
 }
 
 pgagent_usage() {
         cat <<END
 usage: $0 {start|stop|monitor|meta-data|validate-all}
 
 Expects to have a fully populated OCF RA-compliant environment set.
 END
 }
 
 case $__OCF_ACTION in
 start)          pgagent_start;;
 stop)           pgagent_stop;;
 monitor)        pgagent_monitor;;
 validate-all)   pgagent_validate_all;;
 usage|help)     pgagent_usage
                 exit $OCF_SUCCESS
                 ;;
 meta-data)      meta_data
                 exit $OCF_SUCCESS
                 ;;
 *)              pgagent_usage
                 exit $OCF_ERR_UNIMPLEMENTED
                 ;;
 esac
 rc=$?
 ocf_log debug "${OCF_RESOURCE_INSTANCE} $__OCF_ACTION : $rc"
 exit $rc