diff --git a/db/migrations/000029_create_latest_tagged_pact_publications.rb b/db/migrations/000029_create_latest_tagged_pact_publications.rb
index a4954e8d5..a5615e6d4 100644
--- a/db/migrations/000029_create_latest_tagged_pact_publications.rb
+++ b/db/migrations/000029_create_latest_tagged_pact_publications.rb
@@ -1,5 +1,7 @@
 Sequel.migration do
   up do
+    # The pact for the latest consumer version (ordered by consumer version order) *that has a pact* for each tag
+    # eg. For each tag, find all the consumer versions that have pacts, order them by consumer version order, then get the pact for the latest consumer version.
     create_or_replace_view(:latest_tagged_pact_consumer_version_orders,
       "select provider_id, consumer_id, t.name as tag_name, max(consumer_version_order) as latest_consumer_version_order
       from latest_pact_publications_by_consumer_versions ap