diff --git a/README.md b/README.md
index 3c9af40..c12fce0 100644
--- a/README.md
+++ b/README.md
@@ -3,13 +3,16 @@
 TripleA payment plugin for HikaShop (open source e-commerce solution for Joomla).
 
 ## Initial development
-Smart Accounts ( http://www.smt-acc.com )
+Smart Accounts ( https://www.smt-acc.com )
 
 ## Maintainer and fixes
-Smart Accounts ( http://www.smt-acc.com )
+Smart Accounts ( https://www.smt-acc.com )
 
 ## More details
-This version of the code is work-in-progress and should not be use in any production site.
+**This version of the code is work-in-progress and should not be use in any production site.**
+
+The TripleA Cryptocurrency Payments API is documented here:
+( https://doc.triple-a.io/ )
 
 ## License
 GNU/GPL v2 ( http://www.gnu.org/licenses/gpl-2.0.html )