minor syntax tweaks

config/lua/keymap.lua

@@ -8,10 +8,10 @@ vim.keymap.set("n", "<leader>b", ":lua toggleTransparent()<CR>")
 
 vim.keymap.set("n", "<leader>t", ":NvimTreeToggle<CR>")
 
-vim.keymap.set("n", "<leader>a", ":lua spellToggle()<CR>")
+vim.keymap.set("n", "<leader>a", ":lua SpellToggle()<CR>")
 
 -- toggle spell check
-function spellToggle()
+function SpellToggle()
     if vim.o.spell == nil or vim.o.spell then
         vim.o.spell = false
     else