diff --git a/src/reducer.ts b/src/reducer.ts
index f652b19..f735d75 100644
--- a/src/reducer.ts
+++ b/src/reducer.ts
@@ -86,7 +86,7 @@ const prepareDictation = (state: IState): { randomTones: Tone[] } => {
 
   return { randomTones: newRandom }
 }
-
+// see https://stackoverflow.com/questions/36730793/can-i-dispatch-an-action-in-reducer
 export const reducer = (state:IState, action:Action):IState => {
   switch (action.type) {
     case ActionType.setPause: return { ...state, sylPause: action.payload as number }