diff --git a/lua/vanilla.lua b/lua/vanilla.lua
index f0b78fe..8e7d508 100644
--- a/lua/vanilla.lua
+++ b/lua/vanilla.lua
@@ -36,5 +36,6 @@ vim.keymap.set("n", "<M-->", ":colo tokyonight-moon<CR>")
 
 vim.opt.mouse = ""
 
+-- set copy mode
 vim.keymap.set("n", "<leader>ll", ":set nonumber<cr>")
 vim.keymap.set("n", "<leader>lm", ":set number<cr>")