diff --git a/MIT-LICENSE b/MIT-LICENSE
index 64e2003..031c4e5 100644
--- a/MIT-LICENSE
+++ b/MIT-LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2021 Basecamp
+Copyright (c) 2022 Basecamp
 
 Permission is hereby granted, free of charge, to any person obtaining
 a copy of this software and associated documentation files (the
diff --git a/README.md b/README.md
index 593e1dd..6d5f98d 100644
--- a/README.md
+++ b/README.md
@@ -11,9 +11,8 @@ There's [native support for import maps in Chrome/Edge 89+](https://caniuse.com/
 
 Importmap for Rails is automatically included in Rails 7+ for new applications, but you can also install it manually in existing applications:
 
-1. Add `importmap-rails` to your Gemfile with `gem 'importmap-rails'`
-2. Run `./bin/bundle install`
-3. Run `./bin/rails importmap:install`
+1. Run `./bin/bundle add importmap-rails`
+2. Run `./bin/rails importmap:install`
 
 Note: In order to use JavaScript from Rails frameworks like Action Cable, Action Text, and Active Storage, you must be running Rails 7.0+. This was the first version that shipped with ESM compatible builds of these libraries.
 
@@ -251,7 +250,7 @@ Import your module on the specific page. Note: you'll likely want to use a `cont
 <% end %>
 ```
 
-**Important**: The `javacript_import_module_tag` should come after your `javascript_importmap_tags`
+**Important**: The `javascript_import_module_tag` should come after your `javascript_importmap_tags`
 
 ```erb
 <%= javascript_importmap_tags %>
diff --git a/test/packager_test.rb b/test/packager_test.rb
index 5266396..29ce7f6 100644
--- a/test/packager_test.rb
+++ b/test/packager_test.rb
@@ -35,10 +35,6 @@ def code() "200" end
   end
 
   test "failed request with mock" do
-    response = Class.new do
-      def code() "500" end
-    end.new
-
     Net::HTTP.stub(:post, proc { raise "Unexpected Error" }) do
       assert_raises(Importmap::Packager::HTTPError) do
         @packager.import("missing-package-that-doesnt-exist@17.0.2")
@@ -54,4 +50,9 @@ def code() "500" end
   test "pin_for" do
     assert_equal %(pin "react", to: "https://cdn/react"), @packager.pin_for("react", "https://cdn/react")
   end
+
+  test "vendored_pin_for" do
+    assert_equal %(pin "react" # @17.0.2), @packager.vendored_pin_for("react", "https://cdn/react@17.0.2")
+    assert_equal %(pin "javascript/react", to: "javascript--react.js" # @17.0.2), @packager.vendored_pin_for("javascript/react", "https://cdn/react@17.0.2")
+  end
 end