Merge pull request #27302 from MichalMaler/qdocs-50-additional-guidan…

…ce-for-creating-an-abstract

Docs: Additional guidance for creating an abstract

docs/src/main/asciidoc/doc-reference.adoc

@@ -117,6 +117,7 @@ Start a new line at the end of each sentence, and split sentences themselves at
 === Abstracts (preamble)
 
 For optimum findability, add a short description using user-oriented keywords to summarize the document's purpose, task, and intent in no more than three sentences.
+Good abstracts also mention the benefits of following this content and avoid filler words, such as: "This document..", "This tutorial..", and "The following.."
 
 [IMPORTANT]
 ====