Update technical.md

Author: oblomov-dev

docs/advanced/technical/technical.md

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 # Technical Background
 
-This article provides an overview of the technical foundations of abap2UI5, summarizing its key ideas regarding architecture, codebase, and compatibility.
+This article provides a technical deep dive into **abap2UI5**. It is aimed at developers who want to understand how abap2UI5 works "under the hood" and how it simplifies UI5 development by keeping both logic and UI generation on the backend.
+
+It covers the core ideas behind the framework — including its architecture, codebase, and compatibility — and shows how concepts like **"HTML Over the Wire"** are adapted to the ABAP environment, offering a new approach to building UI5 applications.
 
 ##### 1. HTML Over the Wire