diff --git a/CHANGELOG.md b/CHANGELOG.md
index f3a0db08a2..fc9b387f7f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,7 @@
 
 ## [3.7.3]
 
-- v3.7.3
+- Support for Sonnet 3.7 "Thinking".
 
 ## [3.7.2]