Merge pull request #31354 from chtitux/patch-1

Update docs/cli/commands/init: add backtick to readonly value

website/docs/cli/commands/init.mdx

@@ -166,7 +166,7 @@ You can modify `terraform init`'s plugin behavior with the following options:
 
 The valid values for the lockfile mode are as follows:
 
-* readonly: suppress the lockfile changes, but verify checksums against the
+* `readonly`: suppress the lockfile changes, but verify checksums against the
   information already recorded. It conflicts with the `-upgrade` flag. If you
   update the lockfile with third-party dependency management tools, it would be
   useful to control when it changes explicitly.