Fix comments

Author: koba04

packages/enzyme/src/ShallowWrapper.js

@@ -259,7 +259,7 @@ class ShallowWrapper {
         }
         this[RENDERER].batchedUpdates(() => {
           // When shouldComponentUpdate returns false we shouldn't call componentDidUpdate.
-          // so we spy shouldComponentUpdate to know the result.
+          // so we spy shouldComponentUpdate to get the result.
           let shouldRender = true;
           let spy;
           if (
@@ -342,7 +342,7 @@ class ShallowWrapper {
         const prevState = instance.state;
         const prevContext = instance.context;
         // When shouldComponentUpdate returns false we shouldn't call componentDidUpdate.
-        // so we spy shouldComponentUpdate to know the result.
+        // so we spy shouldComponentUpdate to get the result.
         let spy;
         let shouldRender = true;
         if (