docs: updated CHANGELOG.md

Author: onnovalkering

CHANGELOG.md

@@ -4,7 +4,7 @@ All notable changes to `socksx` will be documented in this file.
 
 ## [0.1.1] - 2021-07-29
 ### Added
-- Support for chaining (SOCKS6).
+- Experimental support for chaining (SOCKS6).
 - Python package (`socksx-py`) with interface to `socksx`.
 
 ### Changed