Fixed minor errors in button names.

almiraredoble_reading/bookshelf/templates/bookshelf/add-author.html

@@ -17,7 +17,7 @@ Add New Author
         <table>
             {{ form.as_table }}
         </table>
-        <input type="submit" value="Save Changes" >
+        <input type="submit" value="Add Author" >
     </form>
 {% endblock %}
 

almiraredoble_reading/bookshelf/templates/bookshelf/add-book.html

@@ -17,7 +17,7 @@ Add New Book
         <table>
             {{ form.as_table }}
         </table>
-        <input type="submit" value="Save Changes" >
+        <input type="submit" value="Add Book" >
     </form>
 {% endblock %}