Changing friends' notes on WeChat is actually quite simple. Next I'll tell you how to operate it. The specific operation steps are as follows:

1. First open WeChat and click Address Book:, as shown in the figure below:

2. Then find the contact person whose comments you want to change, and click it, as shown:

3. Then enter the other party's data card, and click the three points in the upper right corner, as shown in the figure:

4. Click the first item "Set Notes and Labels", as shown:

5. Then enter the comments to be modified, and then click Finish, as shown: