diff --git a/CHANGELOG.md b/CHANGELOG.md
index 57d4079e33a..1ad2fd60408 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,7 +16,8 @@
 - PR #1269 Removed old db code that was not being used
 - PR #1271 Add extra check to make SG Louvain deterministic
 - PR #1273 Update Force Atlas 2 notebook, wrapper and coding style
-- PR @1281 Update README
+- PR #1289 Update api.rst for MST
+- PR #1281 Update README
 
 ## Bug Fixes
 - PR #1237 update tests for assymetric graphs, enable personalization pagerank
diff --git a/docs/source/api.rst b/docs/source/api.rst
index d334b488d72..459e5fbf4f1 100644
--- a/docs/source/api.rst
+++ b/docs/source/api.rst
@@ -210,8 +210,20 @@ Single-source-shortest-path
     :undoc-members:
 
 
-Utilities
+Tree
 =========
 
+Minimum Spanning Tree
+---------------------
 
+.. automodule:: cugraph.tree.minimum_spanning_tree
+    :members:
+    :undoc-members:
+
+Maximum Spanning Tree
+---------------------
+
+.. automodule:: cugraph.tree.maximum_spanning_tree
+    :members:
+    :undoc-members: