Update changelog per comments

pkgs/watcher/CHANGELOG.md

diff --git a/pkgs/watcher/CHANGELOG.md b/pkgs/watcher/CHANGELOG.md
index 89da684..b4ca0ba 100644
--- a/pkgs/watcher/CHANGELOG.md
+++ b/pkgs/watcher/CHANGELOG.md
@@ -1,7 +1,6 @@
 # 0.9.7+5
 
-* Change the type on a local function (_onBatch) to reflect the fact that its
-  caller does not statically guarantee its contract.
+* Fix an analysis warning.
 
 # 0.9.7+4