diff --git a/CONTRIBUTING_CENTRAL_DATA_MODEL.md b/CONTRIBUTING_CENTRAL_DATA_MODEL.md
index 26ced7dc..9dfbbab4 100644
--- a/CONTRIBUTING_CENTRAL_DATA_MODEL.md
+++ b/CONTRIBUTING_CENTRAL_DATA_MODEL.md
@@ -2,7 +2,7 @@
 
 This document explains the steps to follow if you want to contribute to the city data model by adding new classes or new attributes. 
 Use this document after having a clear idea of how your data model should look like already integrated in the Central Data Model. 
-Please, refer to the cerclibs.pdf (https://liveconcordia.sharepoint.com/:b:/s/CERC-Next-GenCities-Platform/EfPNAGXexCFOju2sKBr6pNMBcwnvLin1Wio1Ahpfu4cxag?e=rhkdca)
+Please, refer to the [cerclibs.pdf](https://liveconcordia.sharepoint.com/:b:/s/CERC-Next-GenCities-Platform/EfPNAGXexCFOju2sKBr6pNMBcwnvLin1Wio1Ahpfu4cxag?e=rhkdca)
 to integrate your data model with the Central Data Model.
 
 ## Starting with the basics