diff --git a/dune-project b/dune-project
index 8060787..c9bf796 100644
--- a/dune-project
+++ b/dune-project
@@ -18,7 +18,10 @@
  (synopsis "Dockerfile eDSL, combinators, printer and parser")
  (tags (org:blacksun system))
  (description
-  "A typed representation of a Dockerfile (the eDSL and combinators), a
+  "WARNING: This is an experimental fork of ocaml-dockerfile. Do not use in \
+   production. Use ocaml-dockerfile instead: \
+   https://github.com/avsm/ocaml-dockerfile. \
+   A typed representation of a Dockerfile (the eDSL and combinators), a
    pretty-printer, and an ocamllex + menhir parser. Imported from Anil
    Madhavapeddy's ocaml-dockerfile and adapted to drop the ppx_sexp_conv /
    sexplib dependency (fmt only). Exposes the [Dockerfile] module.")
diff --git a/nox-dockerfile.opam b/nox-dockerfile.opam
index 84d7e09..c548c2c 100644
--- a/nox-dockerfile.opam
+++ b/nox-dockerfile.opam
@@ -2,7 +2,7 @@
 opam-version: "2.0"
 synopsis: "Dockerfile eDSL, combinators, printer and parser"
 description: """
-A typed representation of a Dockerfile (the eDSL and combinators), a
+WARNING: This is an experimental fork of ocaml-dockerfile. Do not use in production. Use ocaml-dockerfile instead: https://github.com/avsm/ocaml-dockerfile. A typed representation of a Dockerfile (the eDSL and combinators), a
    pretty-printer, and an ocamllex + menhir parser. Imported from Anil
    Madhavapeddy's ocaml-dockerfile and adapted to drop the ppx_sexp_conv /
    sexplib dependency (fmt only). Exposes the [Dockerfile] module."""