Correct book title

Author: jmagak

titles/discover/master.adoc

@@ -1,8 +1,7 @@
 include::artifacts/attributes.adoc[]
-:context: title-discover
 :doctype: book
 :imagesdir: images
-:title: Discover
+:title: About {product}
 :subtitle: Introduction to {product}
 :abstract: {product} is a developer platform designed to build developer portals. Use {product} to provide a streamlined development environment with a centralized software catalog to build high-quality software efficiently.