diff --git a/config/nvim/after/ftplugin/cs.lua b/config/nvim/after/ftplugin/cs.lua
new file mode 100644
index 0000000..0808a68
--- /dev/null
+++ b/config/nvim/after/ftplugin/cs.lua
@@ -0,0 +1,2 @@
+vim.bo.commentstring = '// %s'
+