prerequisites.adoc in hyla-1.0.7.pre.3

- old
+ new

@@ -1,5 +1,5 @@
-== Prerequisites
+=== Prerequisites
 
 - https://github.com/sstephenson/ruby-build#readme[rbenv-build] which let you to deploy a pre-compiled version of Ruby
 - https://github.com/sstephenson/rbenv[rbenv] to manage different versions of Ruby
 - https://www.ruby-lang.org/en/[Ruby] 1.9.3-p484
 - http://guides.rubygems.org/[RubyGems] to install Ruby Applications
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