diff --git a/nvim/m-housh/lua/user/mappings.lua b/nvim/m-housh/lua/user/mappings.lua
index 7e257e5..b15684e 100644
--- a/nvim/m-housh/lua/user/mappings.lua
+++ b/nvim/m-housh/lua/user/mappings.lua
@@ -1,4 +1,4 @@
-local keymap = vim.api.nvim_set_keymap
+local keymap = vim.keymap.set
 local default_options = {noremap = true, silent = true}
 -- local expr_options = {noremap = true, expr = true, silent = true}
 vim.g.mapleader = " "
@@ -55,6 +55,9 @@ keymap('n', '<leader>F', '<cmd>:FormatWrite<CR>', default_options)
 -- Turn off highlighting after search.
 keymap('n', '<leader>n', '<cmd>:noh<cr>', default_options)
 
+-- Toggle Spell Checking.
+keymap('n', '<leader>s', '<cmd>:set spell!<cr>', default_options)
+
 -- LuaSnip Keymaps
 --local ls = require('luasnip')
 
diff --git a/nvim/m-housh/spell/en.utf-8.add b/nvim/m-housh/spell/en.utf-8.add
index 495f41b..4704e78 100644
--- a/nvim/m-housh/spell/en.utf-8.add
+++ b/nvim/m-housh/spell/en.utf-8.add
@@ -7,3 +7,5 @@ NEC
 AHJ
 CFM
 Hydronic
+subpar
+quo
diff --git a/nvim/m-housh/spell/en.utf-8.add.spl b/nvim/m-housh/spell/en.utf-8.add.spl
index e6cb537..faf0b0f 100644
Binary files a/nvim/m-housh/spell/en.utf-8.add.spl and b/nvim/m-housh/spell/en.utf-8.add.spl differ