diff --git a/README.md b/README.md
index ba844d4..3b1fe92 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@
 
 [日本語版](README_jp.md)
 
-A type-safe state management library for SwiftUI applications. Flow provides a unidirectional data flow architecture and supports Swift 6 Approachable Concurrency.
+A type-safe state management library for SwiftUI applications. Flow provides a unidirectional data flow architecture and supports Observation and Swift 6 Approachable Concurrency.
 
 <p align="center">
     <img src="flow-diagram.svg" alt="Flow Architecture Diagram" />
diff --git a/README_jp.md b/README_jp.md
index 442aeb8..2cc7f80 100644
--- a/README_jp.md
+++ b/README_jp.md
@@ -4,7 +4,7 @@
 [![Platforms](https://img.shields.io/badge/Platforms-iOS%20|%20macOS%20|%20watchOS%20|%20tvOS-blue.svg)](https://github.com/ViewFeature/Flow)
 [![License](https://img.shields.io/badge/License-MIT-blue.svg)](LICENSE)
 
-SwiftUI向けの型安全な状態管理ライブラリです。単方向データフローアーキテクチャを採用し、Swift 6のApproachable Concurrencyに対応しています。
+SwiftUI向けの型安全な状態管理ライブラリです。単方向データフローアーキテクチャを採用し、ObservationとSwift 6のApproachable Concurrencyに対応しています。
 
 <p align="center">
     <img src="flow-diagram.svg" alt="Flow Architecture Diagram" />
diff --git a/Sources/Flow/Flow.docc/Flow.md b/Sources/Flow/Flow.docc/Flow.md
index 4df9998..f96ca64 100644
--- a/Sources/Flow/Flow.docc/Flow.md
+++ b/Sources/Flow/Flow.docc/Flow.md
@@ -1,6 +1,6 @@
 # ``Flow``
 
-A library for managing state in SwiftUI applications in a type-safe way. Flow provides a unidirectional data flow architecture and supports Swift 6 Approachable Concurrency.
+A library for managing state in SwiftUI applications in a type-safe way. Flow provides a unidirectional data flow architecture and supports Observation and Swift 6 Approachable Concurrency.
 
 ## Overview