diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8015b14d..06db2cbb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -25,6 +25,7 @@
 
 - `cmd-help`: scope subcommands followed by other terms, and other misc improvements, see #2819 (@victor-gp)
 - Upgrade JQ syntax, see #2820 (@dependabot[bot])
+- Associate `xsh` files with `xonsh` syntax that is Python, see #2840 (@anki-code).
 
 ## Themes