diff --git a/after/ftplugin/c.vim b/after/ftplugin/c.vim
new file mode 100644
index 0000000..f46edaf
--- /dev/null
+++ b/after/ftplugin/c.vim
@@ -0,0 +1,2 @@
+" Set 'comments' to format dashed lists in comments.
+setlocal comments=sO:*\ -,mO:*\ \ ,exO:*/,s1:/*,mb:*,ex:*/,:///,://