diff --git a/Overall-architecture.md b/Overall-architecture.md
index a53b515..41f7a6b 100644
--- a/Overall-architecture.md
+++ b/Overall-architecture.md
@@ -217,5 +217,5 @@ Message JSON format is dictionary (associative array) with keys:
 
 ### Web app - Web API communication
 
-Provided web application runs as javascript client inside user's browser. It communicates with REST API on the server through standard HTTP requests. Documentation of the main REST API is in separate document due to its extensiveness. Results are returned as JSON payload, which is simply parsed in web application and presented to the users.
+Provided web application runs as javascript client inside user's browser. It communicates with REST API on the server through standard HTTP requests. Documentation of the main REST API is in separate [document](https://recodex.github.io/api/) due to its extensiveness. Results are returned as JSON payload, which is simply parsed in web application and presented to the users.