Update book.mustache

Author: shabbirdwd53

Spring-Boot-Mustache-Demo/src/main/resources/templates/book.mustache

@@ -6,7 +6,7 @@
     <b> ISBN Number: </b>{{isbn}}
     <b> Book Title: </b>{{bookTitle}}
     <b> Author: </b>{{author}}
-    <b> Price: </b>{{price1}}
+    <b> Price: </b>{{price}}
     <br>
     <hr>
 {{/bookList}}