fixed more typos

Author: Parth Shah

responses/01-components.md

@@ -7,7 +7,7 @@
 
 In our [solution](https://githubtraining.github.io/react-solution/), our assignments page looks like the above. The overall webpage is a component that we call `App` and inside `App` there's are other components like buttons, titles, and even other custom components that we can create (like the Assginments List).
 
-Take a look at the following line in `App.jsx`. 
+Take a look at the following line in `src/App.jsx`. 
 
 ```javascript
 class App extends React.Component

responses/add-state-variable-activity.md

@@ -8,7 +8,7 @@ Currently, in `App`, we have three state variables:
 - `assignments` - This stores the list of assignments. It is a state variable because the list changes every time a new assignment is added.
 - `grades` - This should store the grade for each student. However, we have no way to store students, so let's fix that!
 
-### :keyboard: Activity: Add a state variable to `App.jsx`
+### :keyboard: Activity: Add a state variable to `src/App.jsx`
 
 1. On line 11, add a state variable named `students` 
 2. Set `students` equal to an empty array