diff --git a/OCaml.gitignore b/OCaml.gitignore
index a18e0840..d134abd5 100644
--- a/OCaml.gitignore
+++ b/OCaml.gitignore
@@ -8,7 +8,7 @@
 *.cmxs
 *.cmxa
 
-# ocamlbuild working directory
+# ocamlbuild and Dune default working directory
 _build/
 
 # ocamlbuild targets