diff --git a/htdocs/langs/en_US/resource.lang b/htdocs/langs/en_US/resource.lang
index 32bdd92f884..c89edddec4b 100644
--- a/htdocs/langs/en_US/resource.lang
+++ b/htdocs/langs/en_US/resource.lang
@@ -1,4 +1,4 @@
-
+# Dolibarr language file - Source file is en_US - resource
 MenuResourceIndex=Resources
 MenuResourceAdd=New resource
 MenuResourcePlanning=Resource planning