diff --git a/cefi/main.py b/cefi/main.py
index fa4d182c..87dcf3d3 100644
--- a/cefi/main.py
+++ b/cefi/main.py
@@ -6,8 +6,9 @@
 class CexExchange:
     """
     CEX Object to support CEX
-    via CCXT library
-
+    via CCXT library 
+    https://github.com/ccxt/ccxt
+    
     Args:
         None