fix: autocmd example in README (#2635)

README.md

@@ -412,9 +412,9 @@ vim.api.nvim_create_autocmd("User", {
   pattern = "TelescopePreviewerLoaded",
   callback = function(args)
     if args.data.filetype ~= "help" then
-      vim.bo.number = true
+      vim.wo.number = true
     elseif args.data.bufname:match("*.csv") then
-      vim.bo.wrap = false
+      vim.wo.wrap = false
     end
   end,
 })