diff --git a/README.md b/README.md
index ff0047a..c8e0c1c 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # libcurl
 libcurl for Clarion
 
-## Required C6 and newer.
+## Required C6.3 and newer.
 
 
 v1.16