diff --git a/CHANGELOG b/CHANGELOG
index a2af0dccc5d3eb627999aa89f8b7f24e407f5455..6cb4463bf1504669240325dcb30528a219d48d10 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1 +1,10 @@
-2021-03-18: initial release
\ No newline at end of file
+2021-03-18: initial release
+2021-03-21: fixed params in cisco_asa_fan, removed params from cisco_asa_power
+2021-03-22: code improvements as requested by jherbel@tribe29
+            - added CMK default header
+            - added more specific class for power supply sensor
+            - replaced sensors dict with NamedTuple
+            - changed discovery functions to single line (yield from)
+            - moved up "except KeyError"/changed exception to return in temp/fan/power
+            - added type hint for section in check function temp/power
+            - moved imports from temp to top of file