diff --git a/README.en.md b/README.en.md
index 9d0182ca89e70c4cf7448fe13382cef1dda947b0..3fe01b6c723b98012117f645a531ba33255460c4 100644
--- a/README.en.md
+++ b/README.en.md
@@ -6,7 +6,7 @@ Learn to implement an instant messaging app based on the adaptive layout and res
 
 #### Description
 
-This codelab implements an instant messaging app based on the adaptive layout and responsive layout, achieving one-time development for multi-device deployment. It uses the three-layer project architecture for code reuse and tailors the pages to different device sizes such as mobile phones, foldable phones, and 2-in-1 devices.
+This codelab implements an instant messaging app based on the adaptive layout and responsive layout, achieving one-time development for multi-device deployment. It uses the three-layer project architecture for code reuse and tailors the pages to different device sizes such as mobile phones, foldable phones, and PC/2-in-1 devices.
 The following figure shows the effect on the mobile phone:
 
 ![](screenshots/device/phone_EN.png)
@@ -15,7 +15,7 @@ The following figure shows the effect on the foldable phone in unfolded state:
 
 ![](screenshots/device/foldable_EN.png)
 
-The following figure shows the effect on the 2-in-1 device:
+The following figure shows the effect on the PC/2-in-1 device:
 
 ![](screenshots/device/pad_EN.png)
 
@@ -38,6 +38,6 @@ N/A.
 #### Constraints
 
 1. The sample app is supported only on Huawei phones running the standard system.
-2. HarmonyOS: HarmonyOS NEXT Developer Beta 1 or later
-3. DevEco Studio: DevEco Studio NEXT Developer Beta 1 or later
-4. HarmonyOS SDK: HarmonyOS NEXT Developer Beta 1 SDK or later
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+2. HarmonyOS: HarmonyOS 5.0.0 Release or later
+3. DevEco Studio: DevEco Studio 5.0.0 Release or later
+4. HarmonyOS SDK: HarmonyOS 5.0.0 Release SDK or later
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