moved period

CODE_OF_CONDUCT.md

@@ -2,4 +2,4 @@
 
 This project has adopted the code of conduct defined by the Contributor Covenant
 to clarify expected behavior in our community.
-For more information, see the [.NET Foundation Code of Conduct.](https://dotnetfoundation.org/code-of-conduct)
+For more information, see the [.NET Foundation Code of Conduct](https://dotnetfoundation.org/code-of-conduct).