Add example pdf

README.md

@@ -8,7 +8,8 @@ deploying it to GitHub pages.
 1. Click on "Use this template" in the top right to generate a new repo for your flipbook
 2. After the new repo is created, go to Settings -> Pages
 3. Change the "Source" option from "Build from branch" to "GitHub Actions"
-4. Upload you pdf to repository
+4. Upload your PDF to the repository, optionally removing/replacing the existing 
+   "book.pdf" one.
 5. Edit [.github/workflows/deploy.yml](.github/workflows/deploy.yml) file and change 
    the following options as needed. Make sure that at least the "file" is set to the 
    correct PDF file name:
@@ -20,6 +21,6 @@ deploying it to GitHub pages.
      toolbarColor: "#ffffff"
      description: "Book description"
    ```
-6. Go to the "actions" tab and wait to until the deploy action completes.
-7. Visit the generate GitHub page and to see your new flipbook. 
+6. Go to the "actions" tab and wait until the deployment action completes.
+7. Visit the generate GitHub page and in order to see your new flipbook. 
    The link should look something like https://USERNAME.github.io/REPOSITORY/