diff --git a/runtime/ftplugin/chatito.vim b/runtime/ftplugin/chatito.vim
new file mode 100644
index 0000000..af212e9
--- /dev/null
+++ b/runtime/ftplugin/chatito.vim
@@ -0,0 +1,15 @@
+" Vim filetype plugin
+" Language:	Chatito
+" Maintainer:	ObserverOfTime <chronobserver@disroot.org>
+" Last Change:	2022 Sep 19
+
+if exists('b:did_ftplugin')
+  finish
+endif
+let b:did_ftplugin = 1
+
+setlocal comments=:#,:// commentstring=#\ %s
+" indent of 4 spaces is mandated by the spec
+setlocal expandtab softtabstop=4 shiftwidth=4
+
+let b:undo_ftplugin = 'setl com< cms< et< sts< sw<'