diff --git a/doc/api/array.h.md b/doc/api/array.h.md
index e69de29bb..d96d854b8 100644
--- a/doc/api/array.h.md
+++ b/doc/api/array.h.md
@@ -0,0 +1,2 @@
+### mrb_ary_new(mrb_state *mrb);
+mrb_value mrb_ary_new(mrb_state *mrb);