Update CHANGELOG.md

priyanshuone6 · web-flow · commit dceb331d99a8 · 2022-03-28T15:46:20.000+05:30
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,7 +1,6 @@
 # [Unreleased](https://github.com/pybamm-team/PyBaMM/)
-# [Unreleased](https://github.com/pybamm-team/PyBaMM/)
-# [v22.3](https://github.com/pybamm-team/PyBaMM/tree/v22.3) - 2022-03-31
 
+# [v22.3](https://github.com/pybamm-team/PyBaMM/tree/v22.3) - 2022-03-31
 
 ## Features
 
