diff --git a/swh/journal/checker.py b/swh/journal/backfill.py
rename from swh/journal/checker.py
rename to swh/journal/backfill.py
--- a/swh/journal/checker.py
+++ b/swh/journal/backfill.py
@@ -9,7 +9,7 @@
 journal queues.
 
 At the moment, a first naive implementation is the
-SimpleCheckerProducer.  It simply reads the objects from the
+JournalBackfiller.  It simply reads the objects from the
 storage and sends every object identifier back to the journal.
 
 """
@@ -73,7 +73,7 @@
             yield dict(zip(primary_key, entry_to_bytes(o)))
 
 
-class SimpleCheckerProducer(SWHConfig):
+class JournalBackfiller(SWHConfig):
     """Class in charge of reading the storage's objects and sends those
        back to the publisher queue.
 
@@ -134,4 +134,4 @@
 
 
 if __name__ == '__main__':
-    SimpleCheckerProducer().run()
+    JournalBackfiller().run()