Update _overviews/scala3-contribution/arch-intro.md

Co-authored-by: Sébastien Doeraene <[email protected]>

Author: anatoliykmetyuk

_overviews/scala3-contribution/arch-intro.md

@@ -1,7 +1,7 @@
 ---
 title: High Level Architecture
 type: chapter
-description: This page introduces the high level architecture for the Scala 3 compiler.
+description: This page introduces the high level architecture of the Scala 3 compiler.
 num: 12
 previous-page: procedures-checklist
 next-page: arch-lifecycle