Minor user-facing text tweak

Author: mcafaro

public/index.html

@@ -49,7 +49,7 @@
           height="100" />
         <h2>Generate a GitHub Actions Workflow for MATLAB</h2>
         <p class="lead text-muted">
-          Enter your repository to generate a starter workflow.
+          Enter your GitHub repository to generate a starter workflow.
         </p>
       </div>
       <div class="ps-4 pe-4">
@@ -64,10 +64,10 @@ <h2>Generate a GitHub Actions Workflow for MATLAB</h2>
               required
               autofocus />
             <label for="repo" class="form-label">
-              username/repository or URL
+              URL or username/repository
             </label>
             <div class="invalid-feedback">
-              Please enter a valid username/repository or URL
+              Please enter a valid repository URL or GitHub username and repository
             </div>
           </div>
           <button