message: spelling: action
diff: @@ -716,7 +716,7 @@ class ParserElement:
  def setFailAction(self, fn):
  """Define action to perform if parsing fails at this expression.
  - Fail acton fn is a callable function that takes the arguments
  + Fail action fn is a callable function that takes the arguments
  fn(s,loc,expr,err) where:
  - s = string being parsed
  - loc = location where expression match was attempted and failed
  