diff --git a/home/common/nvim/init.lua b/home/common/nvim/init.lua
index 0b30e4f..78d5db3 100644
--- a/home/common/nvim/init.lua
+++ b/home/common/nvim/init.lua
@@ -221,3 +221,14 @@ vim.keymap.set("n", "<Leader>uw", "<cmd>set invwrap<cr>", opts("Toggle line wrap
 vim.keymap.set("n", "<Leader>ui", function()
   vim.g.miniindentscope_disable = not vim.g.miniindentscope_disable
 end, opts("Toggle indent scope"))
+
+vim.keymap.set("n", "<Leader>us", function()
+  local filter = { name = "harper_ls" } --- @type vim.lsp.get_clients.Filter
+  local client = vim.lsp.get_clients(filter)[1]
+  local current_buffer = vim.api.nvim_get_current_buf()
+  if client.attached_buffers[current_buffer] then
+    vim.lsp.buf_detach_client(current_buffer, client.id)
+  else
+    vim.lsp.buf_attach_client(current_buffer, client.id)
+  end
+end, opts("Toggle Harper spellcheck"))