diff --git a/runtime/ftplugin/roc.vim b/runtime/ftplugin/roc.vim
new file mode 100644
index 0000000..c665108
--- /dev/null
+++ b/runtime/ftplugin/roc.vim
@@ -0,0 +1,14 @@
+" Roc filetype plugin file
+" Language: Roc
+" Maintainer: nat-418 <93013864+nat-418@users.noreply.github.com>
+" Latest Revision: 2024-04-5
+
+if exists("b:did_ftplugin")
+  finish
+endif
+let b:did_ftplugin = 1
+
+setlocal comments=:##,:#
+setlocal commentstring=#\ %s
+
+let b:undo_ftplugin = "setl com< cms<"