Update README

Author: yndu13

aliyun-python-sdk-core/ChangeLog.txt

@@ -1,7 +1,7 @@
 2024-10-09 Version 2.16.0
 1, Dropped support for Python 3.6.
 
-2024-04-15 Version 2.15.2
+2024-08-28 Version 2.15.2
 1, Update endpoints.
 
 2024-04-15 Version 2.15.1
@@ -28,7 +28,7 @@
 2020-03-26 Version 2.13.32
 
 2020-02-24 Version 2.13.31
-1, Specify cryptography version (>=2.6.0) in `setup.py`, This fix is ​​for CVE-2021-23840.
+1, Specify cryptography version (>=2.6.0) in `setup.py`, This fix is for CVE-2021-23840.
 
 2020-11-30 Version 2.13.30
 1, Add README and LICENSE to the python package.

aliyun-python-sdk-core/README.rst

@@ -10,7 +10,7 @@ library, or script with Aliyun services.
 
 This module works on Python versions:
 
-   * 2.7 and greater
+   * 3.7 and greater
 
 
 Documentation: