Update SECURITY.md

Author: frenchfrysays3

SECURITY.md

@@ -16,7 +16,7 @@ Only current versions of the site are being updated, if you are using an older v
 
 You can privately report a vulnerability [here](https://github.com/InterstellarNetwork/Interstellar/security/advisories/new).
 
-Alternatively, you can join our [Discord server](https://discord.gg/), and open a ticket and let us know what the vulnerability is.
+Alternatively, you can join our [Discord server](https://discord.gg/Interstellar), and open a ticket and let us know what the vulnerability is.
 
 ### Upgrading to the Latest Version