diff --git a/private_dot_config/nvim/init.lua b/private_dot_config/nvim/init.lua
index 621b2cb..2487f07 100644
--- a/private_dot_config/nvim/init.lua
+++ b/private_dot_config/nvim/init.lua
@@ -24,6 +24,7 @@ Plug('nvim-tree/nvim-tree.lua') --file explorer
 Plug('numToStr/Comment.nvim') --easier comments
 Plug('ibhagwan/fzf-lua') --fuzzy finder and grep
 Plug('folke/twilight.nvim') --surrounding dim
+Plug('dense-analysis/ale') --linter
 
 vim.call('plug#end')
 
diff --git a/private_dot_config/nvim/lua/config/mappings.lua b/private_dot_config/nvim/lua/config/mappings.lua
index 372277b..402b1bf 100644
--- a/private_dot_config/nvim/lua/config/mappings.lua
+++ b/private_dot_config/nvim/lua/config/mappings.lua
@@ -4,6 +4,11 @@ local function map(m, k, v)
 	vim.keymap.set(m, k, v, { noremap = true, silent = true })
 end
 
+-- set leader
+map("", "<Space>", "<Nop>")
+vim.g.mapleader = " "
+vim.g.maplocalleader = " "
+
 -- buffers
 map("n", "<S-l>", ":bnext<CR>")
 map("n", "<S-h>", ":bprevious<CR>")
diff --git a/private_dot_config/nvim/lua/plugins/treesitter.lua b/private_dot_config/nvim/lua/plugins/treesitter.lua
index 9cc569b..e9d180f 100644
--- a/private_dot_config/nvim/lua/plugins/treesitter.lua
+++ b/private_dot_config/nvim/lua/plugins/treesitter.lua
@@ -1,3 +1,4 @@
+--[[
 require("nvim-treesitter.configs").setup {
 	ensure_installed = { "bash", "c", "css", "cpp", "go", "html", "java", "javascript", "json", "lua", "markdown", "markdown_inline", "python", "rust", "tsx", "typescript", "yaml" },
 	highlight = {
@@ -17,4 +18,4 @@ require("nvim-treesitter.configs").setup {
 		node_decremental = "grm",
 		},
 	},
-}
+}]]