Update SECURITY.md

Author: pjfanning

SECURITY.md

@@ -9,6 +9,6 @@ By default, only the latest version of the library is supported. Security patche
 * Suspected security vulnerabilities should not be discussed publicly. Do not open an issue using the normal issue tracker.
 * Create your own fork of this project
 * Create a [Security Advisory](https://docs.github.com/en/code-security/security-advisories/creating-a-security-advisory) in your fork. Do not worry about getting all the settings correct initially.
-* [Grant access](https://docs.github.com/en/code-security/security-advisories/adding-a-collaborator-to-a-security-advisory) to the my username (pjfanning) so that I can see the description of the issue and comment.
+* [Grant access](https://docs.github.com/en/code-security/security-advisories/adding-a-collaborator-to-a-security-advisory) to my username (pjfanning) so that I can see the description of the issue and comment.
 * If I accept that there is a vulnerability, I move the Security Advisory to this project and add all the parties from the fork advisory as collaborators.
 * I will try to get a fix, a release and CVE assignment done as quickly as I can.