diff --git a/gopls/doc/vim.md b/gopls/doc/vim.md
index 4563c28746..7417d36cfa 100644
--- a/gopls/doc/vim.md
+++ b/gopls/doc/vim.md
@@ -148,8 +148,12 @@ You can add custom configuration using Lua.  Here is an example of enabling the
 ```vim
 lua <<EOF
   lspconfig = require "lspconfig"
+  util = require "lspconfig/util"
+
   lspconfig.gopls.setup {
     cmd = {"gopls", "serve"},
+    filetypes = {"go", "gomod"},
+    root_dir = util.root_pattern("go.work", "go.mod", ".git"),
     settings = {
       gopls = {
         analyses = {