diff --git a/CHANGELOG.md b/CHANGELOG.md
index b3b25fb..af7d853 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+v1
+==
+
+smaller form factor.
+fits in USB A port.
+uses CH32V203 as it is smaller, cheaper, and requires less external parts (DP pull-up, crystal).
+
 v0
 ==