Merge pull request #768 from jpbalarini/patch-1

Update assets.rb typo in comment

Author: rafaelfranca

CHANGELOG.md

@@ -10,6 +10,7 @@ Get upgrade notes from Sprockets 3.x to 4.x at https://github.com/rails/sprocket
 - Fix thread safety of `Sprockets::CachedEnvironment` and `Sprockets::Cache::MemoryStore`. [#771](https://github.com/rails/sprockets/pull/771)
 - Add support for Rack 3.0. Headers set by sprockets will now be lower case. [#758](https://github.com/rails/sprockets/pull/758)
 - Make `Sprockets::Utils.module_include` thread safe on JRuby. [#759](https://github.com/rails/sprockets/pull/759)
+- Fix typo in `asset.rb` file. [#768](https://github.com/rails/sprockets/pull/768) 
 
 ## 4.1.0
 

lib/sprockets/asset.rb

@@ -137,7 +137,7 @@ def hexdigest
  DigestUtils.pack_hexdigest(digest)
  end
 
- # Pubic: ETag String of Asset.
+ # Public: ETag String of Asset.
  def etag
  version = environment_version