diff --git a/docs/lib3x-hashset_len.md b/docs/lib3x-hashset_len.md
index c1640f3f..f3ba111f 100644
--- a/docs/lib3x-hashset_len.md
+++ b/docs/lib3x-hashset_len.md
@@ -1,4 +1,4 @@
-# hashset_has
+# hashset_elems
 
 Returns the length of the elements in a [util/set/hashset](https://openhome.cc/eGossip/OpenSCAD/lib3x-hashset.html).