--- a/src/pyams_content_es/component/extfile.py	Wed Mar 28 15:28:40 2018 +0200
+++ b/src/pyams_content_es/component/extfile.py	Wed Mar 28 15:47:15 2018 +0200
@@ -27,7 +27,7 @@
 
 
 @adapter_config(name='extfile', context=IParagraphContainerTarget, provides=IDocumentIndexInfo)
-def ParagraphContainerTargetExtFileIndexInfo(context):
+def paragraph_container_target_extfile_index_info(context):
     """External files index info"""
     extfiles = []
     attachments = []