diff --git a/doc/opam.txt b/doc/opam.txt
index 81b463e..b448d2c 100644
--- a/doc/opam.txt
+++ b/doc/opam.txt
@@ -1,4 +1,4 @@
-*opam.txt*  Switch OCaml versions from inside Vim using OPAM
+*opam.txt*  Switch OCaml versions from inside Vim using opam
 
 Author:  Rudi Grinberg <http://rgrinberg.com>
 License: Same terms as Vim itself (see |license|)
diff --git a/syntax/opam.vim b/syntax/opam.vim
index e6e1068..d0264a1 100644
--- a/syntax/opam.vim
+++ b/syntax/opam.vim
@@ -1,5 +1,5 @@
 " Vim syntax file
-" Language:    OPAM - OCaml package manager
+" Language:    opam - OCaml package manager
 " Maintainer:  Markus Mottl        <markus.mottl@gmail.com>
 " URL:         https://github.com/ocaml/vim-ocaml
 " Last Change: