diff --git a/lua/plugins/null-ls-nvim.lua b/lua/plugins/null-ls-nvim.lua
index 49d19fa..2b136da 100644
--- a/lua/plugins/null-ls-nvim.lua
+++ b/lua/plugins/null-ls-nvim.lua
@@ -3,13 +3,15 @@ local null_ls = require('null-ls')
 null_ls.setup({
 	sources = {
 		-- Linter
-		null_ls.builtins.diagnostics.eslint_d,
+		-- null_ls.builtins.diagnostics.eslint_d,
 		null_ls.builtins.diagnostics.jsonlint,
 		null_ls.builtins.diagnostics.markdownlint,
 		null_ls.builtins.diagnostics.stylelint,
 		null_ls.builtins.diagnostics.tidy,
 		null_ls.builtins.diagnostics.todo_comments,
 		null_ls.builtins.diagnostics.tsc,
+		null_ls.builtins.diagnostics.fish,
+		null_ls.builtins.diagnostics.codespell,
 		-- Formatter
 		null_ls.builtins.formatting.eslint_d,
 		null_ls.builtins.formatting.markdownlint,
@@ -24,10 +26,7 @@ null_ls.setup({
 		-- Refactoring
 		-- null_ls.builtins.code_actions.refactoring,
 		-- Shells
-		null_ls.builtins.diagnostics.fish,
 		-- Git
 		null_ls.builtins.code_actions.gitsigns,
-		-- Spelling
-		null_ls.builtins.diagnostics.codespell,
 	},
 })
diff --git a/lua/plugins/nvim-tree.lua b/lua/plugins/nvim-tree.lua
index e316a9b..d193eec 100644
--- a/lua/plugins/nvim-tree.lua
+++ b/lua/plugins/nvim-tree.lua
@@ -27,3 +27,4 @@ local function toggle_replace()
 end
 
 vim.keymap.set('n', '-', function() toggle_replace() end, { noremap = true, silent = true })
+vim.keymap.set('n', '<leader>n', [[<Cmd>NvimTreeToggle<CR>]], { noremap = true, silent = true })