diff --git a/CHANGELOG.md b/CHANGELOG.md
index 22b2666f5..01ebf5ed2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@
 ### Added
 
 - Experimental support for Python 3.11 ([#731](https://github.com/stac-utils/pystac/pull/731))
+- More thorough docstrings for `pystac.utils` functions and classes ([#735](https://github.com/stac-utils/pystac/pull/735))
 
 ### Removed