fix typo (#120)

README.md

@@ -260,7 +260,7 @@ require'navigator'.setup({
   lsp = {
     code_action = {enable = true, sign = true, sign_priority = 40, virtual_text = true},
     code_lens_action = {enable = true, sign = true, sign_priority = 40, virtual_text = true},
-    format_on_save = true, -- set to false to disasble lsp code format on save (if you are using prettier/efm/formater etc)
+    format_on_save = true, -- set to false to disable lsp code format on save (if you are using prettier/efm/formater etc)
     disable_format_cap = {"sqls", "sumneko_lua", "gopls"},  -- a list of lsp disable format capacity (e.g. if you using efm or vim-codeformat etc), empty {} by default
     disable_lsp = {'pylsd', 'sqlls'}, -- a list of lsp server disabled for your project, e.g. denols and tsserver you may
     -- only want to enable one lsp server