diff --git a/config/nvim/after/ftplugin/c.lua b/config/nvim/after/ftplugin/c.lua
new file mode 100644
index 0000000..56ce0bf
--- /dev/null
+++ b/config/nvim/after/ftplugin/c.lua
@@ -0,0 +1 @@
+vim.bo.commentstring = "// %s"