diff --git a/data/PVE/Tools.pm b/data/PVE/Tools.pm
index 5b30aed..4ec4b18 100644
--- a/data/PVE/Tools.pm
+++ b/data/PVE/Tools.pm
@@ -1015,7 +1015,7 @@ sub assert_if_modified {
     my ($digest1, $digest2) = @_;
 
     if ($digest1 && $digest2 && ($digest1 ne $digest2)) {
-	die "detected modified configuration - file change by other user? Try again.\n";
+	die "detected modified configuration - file changed by other user? Try again.\n";
     }
 }