Update to get_kinetics_for_template docstring to fix accidental remov…

…al of useful description of what data type is returned

rmgpy/data/kinetics/family.py

@@ -2402,6 +2402,8 @@ def get_kinetics_for_template(self, template, degeneracy=1, method='rate rules')
  Returns a tuple (kinetics, entry):
  If it's estimated via 'rate rules' and an exact match is found in the tree,
  then the entry is returned as the second element of the tuple.
+ But if an average is used,then the tuple returned is (kinetics, None).
+
  """
  if method.lower() == 'rate rules':
  return self.estimate_kinetics_using_rate_rules(template, degeneracy) # This returns kinetics and entry data