diff --git a/conservancy/settings/base.py b/conservancy/settings/base.py
index 07b1e0b3..044ce738 100644
--- a/conservancy/settings/base.py
+++ b/conservancy/settings/base.py
@@ -125,6 +125,9 @@ TEMPLATES = [
 ]
 
 # Internationalization
+#
+# Due to USE_TZ = False, times in the database are under the local America/New York
+# timezone without any zone information.
 TIME_ZONE = 'America/New_York'
 LANGUAGE_CODE = 'en-us'
 USE_TZ = False