diff --git a/runtime/ftplugin/swayconfig.vim b/runtime/ftplugin/swayconfig.vim
new file mode 100644
index 0000000..45d6bdb
--- /dev/null
+++ b/runtime/ftplugin/swayconfig.vim
@@ -0,0 +1,16 @@
+" Vim filetype plugin file
+" Language: sway config file
+" Original Author: James Eapen <james.eapen@vai.org>
+" Maintainer: James Eapen <james.eapen@vai.org>
+" Version: 0.1
+" Last Change: 2022 June 07
+
+if exists("b:did_ftplugin")
+  finish
+endif
+
+let b:did_ftplugin = 1
+
+let b:undo_ftplugin = "setlocal cms<"
+
+setlocal commentstring=#\ %s