Typos

Change -> Changed
"distribute of data" -> "distribute the data"  # This could be phrased better.
Typos

"need scale you app" -> "need to scale your app"
"into cloud (several servers)" -> "into several cloud servers,"  # Phrasing. 
"No need 10 times install a same software" -> "No need to install the same software 10 times"
"server" -> "the server"
"create new node" -> "create a new node"
"have configured instance" -> "[a] configured [the] instance"  # Could be either - chose the.
"You Chef is also documentation" -> "Chef is also documentation"
"Chef recipes contain all information about your environment" -> "Chef recipes contain all the configuration information for your environment"

"Undoing concept" -> Not clear, I'm afraid. Meaning "won't rollback changes"?
Typos

Combined sentences.
Typos

10:"revision a Chef code" -> "Chef code and Recipes"
13:"with such content:"  # Could be improved, but I currently have no suggestion.
22:"we install a required" -> "we install any required"
30:"But why do we need these rubygems?"  # No answer is provided here? Possible missing segment, or misplaced line?

48: Berkshelf section had a few segments.
Typos

4:"location" -> "the location", "used" -> "use"
27:"a" -> "the"
37: "what" -> "which"
40: Is this automated, should be done, can be done? "directory "+is/should be/can be+" added"?
Merge branch 'master' of https://github.com/JPRuskin/chef_book