Merge pull request kyleshevlin#2 from davydof/patch-1

fix: 16 lesson

Author: kyleshevlin

lessons/using-parallel-states/after.js

@@ -15,10 +15,10 @@ const spaceHeaterMachine = Machine({
           initial: 'lowHeat',
           states: {
             lowHeat: {
-              on: { TOGGLE_HEAT: 'lowHeat' },
+              on: { TOGGLE_HEAT: 'highHeat' },
             },
             highHeat: {
-              on: { TOGGLE_HEAT: 'highHeat' },
+              on: { TOGGLE_HEAT: 'lowHeat' },
             },
           },
         },