Update CHANGELOG.md

Author: chuongmep

CHANGELOG.md

@@ -1,7 +1,7 @@
 # Changelog
 - 2022-12-16 **2.0.0**
   - Add support IronPython 3.4 [#136](https://github.com/architecture-building-systems/revitpythonshell/pull/136)
-  - Please follow [Upgrade from IronPython2 to IronPython](https://github.com/IronLanguages/ironpython3/blob/master/Documentation/upgrading-from-ipy2.md) to upgrade your code.
+  - Please follow [Upgrade from IronPython2 to IronPython 3](https://github.com/IronLanguages/ironpython3/blob/master/Documentation/upgrading-from-ipy2.md) to upgrade your code.
 - 2022-09-22 **1.0.2**
   - Fix set CollectorExt.m_app error. [#128](https://github.com/architecture-building-systems/revitpythonshell/pull/128)
 - 2022-06-27 **1.0.1**