diff --git a/UCS.md b/UCS.md
index 2bbe899..f923a32 100644
--- a/UCS.md
+++ b/UCS.md
@@ -43,3 +43,7 @@ UCS WeKan v5.71 and newer is using WeKan Gantt GPL version. [Source](https://git
 https://github.com/wekan/wekan/wiki/Troubleshooting-Mail
 
 ![ucs-mail-3](https://user-images.githubusercontent.com/15545/78279359-129e7800-7520-11ea-9e22-a911826285ba.png)
+
+# Repairing MongoDB
+
+https://github.com/wekan/wekan/wiki/Repair-MongoDB
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