Rephrase question 42

Author: lydiahallie

README.md

@@ -1249,7 +1249,7 @@ Then, `[1, 2, 0, 1]` is `acc` and `[2, 3]` is `cur`. We concatenate them, and ge
 
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-###### 42. What does the `setInterval` method return?
+###### 42. What does the `setInterval` method return in the browser?
 
 ```javascript
 setInterval(() => console.log("Hi"), 1000);