diff --git a/install-php-extensions b/install-php-extensions
index ba24d60..a38e9ff 100755
--- a/install-php-extensions
+++ b/install-php-extensions
@@ -626,8 +626,8 @@ expandPackagesToBeInstalled () {
 #   $@: the list of APT/APK packages to be installed
 installRequiredPackages () {
 	printf '### INSTALLING REQUIRED PACKAGES ###\n'
-	printf 'PACKAGES_PERSISTENT:\n%s\n' "$PACKAGES_PERSISTENT"
-	printf 'PACKAGES_VOLATILE:\n%s\n' "$PACKAGES_VOLATILE"
+	printf '# Packages to be kept after installation: %s\n' "$PACKAGES_PERSISTENT"
+	printf '# Packages to be used only for installation: %s\n' "$PACKAGES_VOLATILE"
 
 	case "$(getDistro)" in
 		alpine)