diff --git a/mod_php_install.sh b/mod_php_install.sh
index e42c112..4e3f3d4 100755
--- a/mod_php_install.sh
+++ b/mod_php_install.sh
@@ -823,6 +823,11 @@ if $WITH_PHP_FPM_SUPPORT ; then
    echo ""
    echo -e "Some FPM Pool Definitions for php-fpm.conf or included files.."
    echo ""
+   echo "Possible values:"
+   echo "   pm.start_servers        9     15"
+   echo "   pm.min_spare_servers    6      6"
+   echo "   pm.max_spare_servers   12     24"
+   echo ""
 
    FPM_POOL_START_SERVER=""
    while [[ "X$FPM_POOL_START_SERVER" = "X" ]]; do