renames rake task update_spec_cases to specs:update

README.md

@@ -70,7 +70,7 @@ If you find bugs, have feature requests or questions, please
 To update spec cases that are scraped from other sites.
 **Warning:** This could break specs.
 ```bash
-rake update_spec_cases
+rake specs:update
 ```
 
 To run specs

Rakefile

@@ -3,7 +3,8 @@ require "nokogiri"
 require "open-uri"
 require "pp"
 
-task :update_spec_cases do
+namespace :specs do
+  task :update do
     sources = [
       { urls: ["http://microformats.org/wiki/microformats-2"],
         html_selector: ".source-html4strict",
@@ -56,4 +57,5 @@ task :update_spec_cases do
 
       end
     end
+  end
 end