diff --git a/SAS/TMSS/backend/test/t_adapter.py b/SAS/TMSS/backend/test/t_adapter.py
index 9d97e0f31b0f65ee8b271699f98f1c49874b4934..b5129d6c1aa042c6112d3ad0879f3bc89713d692 100755
--- a/SAS/TMSS/backend/test/t_adapter.py
+++ b/SAS/TMSS/backend/test/t_adapter.py
@@ -533,7 +533,7 @@ class SIPadapterTest(unittest.TestCase):
         # wipe cache and regenerate
         create_sip_representation_for_dataproduct.cache_clear()
 
-        # create their SIPs (separate loop since dataproduct.save() will invalidate cache):
+        # create their SIPs (separate loop since we needed to clear the cache in between):
         for i in range(10):
             dataproduct = main_dataproducts[i]
             sip = generate_sip_for_dataproduct(dataproduct)