Merge pull request iluwatar#6 from kpucynski/immutable

immutable fix

Author: Arie Bregman

README.md

@@ -139,7 +139,7 @@ follow mutable infrastructure paradigm.
 
 In immutable infrastructure paradigm, every change is actually new infrastructure. So a change
 to a server will result in a new server instead of updating it. Terraform is an example of technology
-which follows the mutable infrastructure paradigm.
+which follows the immutable infrastructure paradigm.
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