message: Fixed type
  different -> difference
diff: @@ -20,7 +20,7 @@ Chevrotain supports two **very different** solutions to this problem:
  Before we continue one of the two approaches must be chosen.
  -The main different between the two approaches is in regards to the question:
  +The main difference between the two approaches is in regards to the question:
  **Where are the user actions (a.k.a semantics) written?**
  When using a CST Visitor the semantics are **completely separated** from the grammar
  