diff --git a/CHANGELOG.md b/CHANGELOG.md
index d05ce5dff..de00decde 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,8 @@
 
 ### Added
 
+- More thorough docstrings for `pystac.utils` functions and classes ([#735](https://github.com/stac-utils/pystac/pull/735))
+
 ### Removed
 
 ### Changed