diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2cb082580..02a86507d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -34,6 +34,7 @@
 - `fish_indent` now handles semicolons better, including leaving them in place for `; and` and `; or` instead of breaking the line.
 - `test` (aka `[`) now prints a stacktrace on error, making the offending call easier to find (#5771).
 - The default read limit has been increased to 100MiB (#5267).
+- `math` now also understands `x` for multiplication, provided it is followed by whitespace (#5906).
 
 ### Interactive improvements
 - Major improvements in performance and functionality to the 'sorin' sample prompt (#5411).