diff --git a/README.md b/README.md
index 5f27c534..59d5874f 100644
--- a/README.md
+++ b/README.md
@@ -98,7 +98,7 @@ Bug reports and pull requests are welcome on GitHub at https://github.com/Shopif
 To contribute a new cop, please use the supplied generator like this:
 
 ```sh
-bundle exec rake new_cop[Sorbet/NewCopName]
+bundle exec rake "new_cop[Sorbet/NewCopName]"
 ```
 
 which will create a skeleton cop, a skeleton spec, an entry in the default config file and will require the new cop so that it is properly exported from the gem.
diff --git a/Rakefile b/Rakefile
index 59d5e511..b64d47ec 100644
--- a/Rakefile
+++ b/Rakefile
@@ -18,7 +18,7 @@ task :new_cop, [:cop] do |_task, args|
   require "rubocop"
 
   cop_name = args.fetch(:cop) do
-    warn("usage: bundle exec rake new_cop[Department/Name]")
+    warn('usage: bundle exec rake "new_cop[Department/Name]"')
     exit!
   end