--- a/src/pyams_content/component/gallery/interfaces/__init__.py	Tue Jan 16 15:25:51 2018 +0100
+++ b/src/pyams_content/component/gallery/interfaces/__init__.py	Tue Jan 16 15:31:06 2018 +0100
@@ -61,8 +61,8 @@
                                     description=_("Comments relatives to author's rights management"),
                                     required=False)
 
-    pif_number = TextLine(title=_("PIF number"),
-                          description=_("Number used to identify media into national library database"),
+    pif_number = TextLine(title=_("Source ID"),
+                          description=_("Number used to identify media into it's original source"),
                           required=False)
 
     sound = FileField(title=_("Audio data"),