diff --git a/CHANGELOG.md b/CHANGELOG.md
index 135ea80..46906f1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -19,6 +19,10 @@
 - New method: `Polygon::rings()`
 - New method: `Geometry::isIdenticalTo()`
 
+✨ **Improvements**
+
+- `GeometryCollection::geometryN()` is now properly documented with generics
+
 ## [0.8.1](https://github.com/brick/geo/releases/tag/0.8.1) - 2022-10-14
 
 ✨ **Improvements**
diff --git a/src/GeometryCollection.php b/src/GeometryCollection.php
index 8223c5f..f2a17d3 100644
--- a/src/GeometryCollection.php
+++ b/src/GeometryCollection.php
@@ -112,6 +112,8 @@ public function numGeometries() : int
      *
      * @param int $n The geometry number, 1-based.
      *
+     * @return T
+     *
      * @throws NoSuchGeometryException If there is no Geometry at this index.
      */
     public function geometryN(int $n) : Geometry