properly names the describe

spec/octokit/error_spec.rb

@@ -6,7 +6,7 @@
 # given the nature of this method and the fact that it is meant to keep secrets out of logs.
 # In this case, it is worth it and will help us know if something changes in this area.
 describe Octokit::Error do
-  describe '.build_error_message' do
+  describe '.redact_url' do
     it 'redacts api_key' do
       url = 'http://127.0.0.1:8989/setup/api/settings?api_key=++++THIS+IS+A+SECRET++++&settings=certificate%22%2C%22key%22%3A%22++++THIS+IS+A+SECRET+AS+WELL++++%22%7D%7D'.dup
       error = Octokit::Error.new