diff --git a/aio/content/guide/architecture.md b/aio/content/guide/architecture.md
index 47ea5432e0..1ff1e784a3 100644
--- a/aio/content/guide/architecture.md
+++ b/aio/content/guide/architecture.md
@@ -1,6 +1,6 @@
 # Introduction to Angular concepts
 
-Angular is a platform and framework for building single-page client applications in HTML and TypeScript.
+Angular is a platform and framework for building single-page client applications using HTML and TypeScript.
 Angular is written in TypeScript.
 It implements core and optional functionality as a set of TypeScript libraries that you import into your apps.