Add PR link to CHANGELOG

Noah Hüsser · Noah Hüsser · commit 1a154065f32a · 2020-09-28T18:05:23.000+02:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -12,7 +12,7 @@
 - PWM module ([#200]).
 - I2S module ([#201]).
 - SPIS module ([#226]).
-- Add support for the nRF52811.
+- Add support for the nRF52811 ([#227]).
 
 ### Fixes
 
