diff --git a/docs/src/api.md b/docs/src/api.md
index 7b6f11a..5d1c200 100644
--- a/docs/src/api.md
+++ b/docs/src/api.md
@@ -16,6 +16,7 @@ Functors.StructuralWalk
 Functors.ExcludeWalk
 Functors.CachedWalk
 Functors.CollectWalk
+Functors.AnonymousWalk
 ```
 
 ```@docs