Merge pull request #234045 from OwenRichards1/patch-1

Update single-page-app-tutorial-03-sign-in-users.md

Author: prmerger-automator[bot]

articles/active-directory/develop/single-page-app-tutorial-03-sign-in-users.md

@@ -153,7 +153,7 @@ reactspalocal/
 
 ### Adding the sign in experience
 
-1. Open *SignInButton.jsx* and add the following code, which creates a button that signs in the user using either a popup or redirect.
+1. Open *SignInButton.jsx* and add the following code, which creates a button that signs in the user using either a pop-up or redirect.
 
    ```javascript 
    import React from "react";
@@ -255,4 +255,4 @@ reactspalocal/
 <!-- ::: zone-end -->
 
 > [!div class="nextstepaction"]
-> [Tutorial: Call an API from a React single-page app](single-page-app-tutorial-04-call-api.md)
+> [Tutorial: Call an API from a React single-page app](single-page-app-tutorial-04-call-api.md)