diff --git a/dot_config/nvim/exact_lua/exact_plugins/exact_editor/syntax.lua b/dot_config/nvim/exact_lua/exact_plugins/exact_editor/syntax.lua
index ad9e225..7634472 100644
--- a/dot_config/nvim/exact_lua/exact_plugins/exact_editor/syntax.lua
+++ b/dot_config/nvim/exact_lua/exact_plugins/exact_editor/syntax.lua
@@ -12,6 +12,7 @@ return {
     build = ":TSUpdate",
     config = function()
       require("nvim-treesitter.configs").setup({
+        -- <https://github.com/nvim-treesitter/nvim-treesitter#supported-languages>
         ensure_installed = {
           "regex",
           "lua",