passing data between components: add punctuation and improve grammar

react/getting_started_with_react/passing_data_between_components.md

@@ -123,7 +123,7 @@ export default function App() {
 
 ### Default props
 
-You may have noticed in the above examples that there is some repetition when defining props on the `Button` components within `App`. In order to stop repeating ourselves re-defining these common values, and to protect our application from undefined values, we can define default parameters to set default values for props.
+You may have noticed in the above examples that there is some repetition when defining props on the `Button` components within `App`. In order to stop repeating ourselves by re-defining these common values, and to protect our application from undefined values, we can define default parameters to set default values for props.
 
 ```jsx
   function Button({ text = "Click Me!", color = "blue", fontSize = 12 }) {
@@ -247,7 +247,7 @@ export default function App() {
 }
 ```
 
-When supplying an argument to the function we can't just write `onClick={handleClick('www.theodinproject.com')}`, and instead must attach a reference to an anonymous function which then calls the function with the argument. Like the previous example, this is to prevent the function being called during the render.
+When supplying an argument to the function, we can't just write `onClick={handleClick('www.theodinproject.com')}`, and instead must attach a reference to an anonymous function which then calls the function with the argument. Like the previous example, this is to prevent the function being called during the render.
 
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