diff --git a/.config/nvim/lua/core/keymap.lua b/.config/nvim/lua/core/keymap.lua
index 92d8734..25228d8 100644
--- a/.config/nvim/lua/core/keymap.lua
+++ b/.config/nvim/lua/core/keymap.lua
@@ -216,3 +216,12 @@ keymap.set('n', '<leader>cc', '<cmd>CccHighlighterToggle<CR>', opts('Toggle rend
 
 --  ──────────────────────────────────────────────────────( markdown )─
 keymap.set('n', '<leader>cr', '<cmd>MdEval<CR>', opts('Execute markdown codeblock'))
+
+-- spellcheck
+keymap.set('n', '<leader>S', function()
+   if vim.wo.spell then
+      vim.opt_local.spell = false
+   else
+      vim.opt_local.spell = true
+   end
+end, opts('Toggle spell check'))