docs: Tweak SECURITY.md wording

Author: alessfg

SECURITY.md

@@ -11,4 +11,4 @@ The F5 Security Incident Response Team (F5 SIRT) has an email alias that makes i
 - If you’re an F5 customer with an active support contract, please contact [F5 Technical Support](https://www.f5.com/services/support).
 - If you aren’t an F5 customer, please report any potential or current instances of security vulnerabilities with any F5 product to the F5 Security Incident Response Team at <F5SIRT@f5.com>.
 
-For more information visit [https://www.f5.com/services/support/report-a-vulnerability](https://www.f5.com/services/support/report-a-vulnerability).
+For more information please read the F5 SIRT vulnerability reporting guidelines available at [https://www.f5.com/services/support/report-a-vulnerability](https://www.f5.com/services/support/report-a-vulnerability).