diff --git a/docs/sphinx/changelog.rst b/docs/sphinx/changelog.rst
index e37d0a0..660f009 100644
--- a/docs/sphinx/changelog.rst
+++ b/docs/sphinx/changelog.rst
@@ -12,3 +12,5 @@ Changelog
 New Features
 ============
 - Initial commit of the balance equation repository (:pull:`1`). By `Nathan Miller`_.
+- Removed mentions of tardigrade hydra from the readme (:pull:`2`). By `Nathan Miller`_.
+- Added the calculation of the balance of mass (:pull:`3`). By `Nathan Miller`_.