Version 3.4.21 release notes.

diff --git a/History.md b/History.md
index de259d1..c2211a2 100644 (file)
--- a/History.md
+++ b/History.md
@@ -3,7 +3,7 @@
 
 * Requires Node.js 4.0+ to run.
 
-[3.4.21 / 2016-xx-xx](https://github.com/jakubpawlowicz/clean-css/compare/v3.4.20...3.4)
+[3.4.21 / 2016-11-16](https://github.com/jakubpawlowicz/clean-css/compare/v3.4.20...v3.4.21)
 ==================
 
 * Fixed issue [#821](https://github.com/jakubpawlowicz/clean-css/issues/821) - reducing non-adjacent rules.