tighten the tagline

pages/index.adoc

@@ -3,7 +3,8 @@ layout: main
 ---
 = AsciiDoc
 :includedir@: ./examples
-:tagline: Publish presentation-rich content written using a concise and comprehensive authoring format.
+//:tagline: Publish presentation-rich content written using a concise and comprehensive authoring format.
+:tagline: Publish presentation-rich content from a concise and comprehensive authoring format.
 :description: AsciiDoc is a human-readable, text editor-friendly document format evolved from plain text markup conventions and semantically analogous to XML schemas like DocBook.
 AsciiDoc is used to write notes, articles, documentation, books, web pages, slides, man pages, etc.
 :url-asciidoc-docs: https://docs.asciidoctor.org/asciidoc/latest