diff --git a/storage/databases/README.md b/storage/databases/README.md
index 6e4a9c3..bd287d2 100644
--- a/storage/databases/README.md
+++ b/storage/databases/README.md
@@ -2,4 +2,5 @@
 
 <br>
 
+* **[database overview](database_overview.pdf)**
 * **[failure detection: heartbeats and pings, gossip, reversing failure detection](failure_detection.pdf)**