Brew cleanup

extras/brew-deps.py

@@ -1,9 +1,11 @@
 #!/usr/bin/env python3
 """
-Generate URLs and file hashes to be included in the Homebrew formula
-after a new release of HTTPie has been published on PyPi.
+Generate Ruby code with URLs and file hashes for packages from PyPi
+(i.e., httpie itself as well as its dependencies) to be included
+in the Homebrew formula after a new release of HTTPie has been published
+on PyPi.
 
-https://github.com/Homebrew/homebrew-core/blob/master/Formula/httpie.rb
+<https://github.com/Homebrew/homebrew-core/blob/master/Formula/httpie.rb>
 
 """
 import hashlib