diff --git a/tabellio/documents/indexer.py b/tabellio/documents/indexer.py
index 35d7c86..934e574 100644
--- a/tabellio/documents/indexer.py
+++ b/tabellio/documents/indexer.py
@@ -1,3 +1,5 @@
+import logging
+
 from zope.interface import Interface
 from ZODB.POSException import ConflictError
 from five import grok
@@ -18,6 +20,9 @@ from document import IDocument
 from dossier import IDossier
 from question import IQuestion
 
+log = logging.getLogger('Plone')
+
+
 def dateIndexer(obj):
     if obj.date is None:
         return None
@@ -175,6 +180,7 @@ def document_dynamic_searchable_text_indexer(obj):
     # if there is no path to text/plain, do nothing
     transforms = getToolByName(obj, 'portal_transforms')
     if not transforms._findPath(data.contentType, 'text/plain'):
+        log.info('  limiting return to title and authors (2) (%s)' % data.contentType)
         return title_and_authors
 
     # convert it to text/plain