Update docs/passwords.md

Signed-off-by: Jonah Aragon <jonah@triplebit.net>

docs/passwords.md

@@ -198,7 +198,7 @@ Bitwarden's server-side code is [open source](https://github.com/bitwarden/serve
 
 ![Proton Pass logo](assets/img/password-management/protonpass.svg){ align=right }
 
-Proton Pass is an open-source, end-to-end encrypted password manager developed by Proton, the team behind the world's largest encrypted email service, Proton Mail. It securely stores your login credentials, generates unique email aliases, supports and stores passkeys, and offers a community-funded, Swiss-based service with strict data privacy laws.
+Proton Pass is an open-source, end-to-end encrypted password manager developed by Proton, the team behind [Proton Mail](email.md#proton-mail). It securely stores your login credentials, generates unique email aliases, supports and stores passkeys, and offers a community-funded, Swiss-based service with strict data privacy laws.
 
 [:octicons-home-16: Homepage](https://proton.me/pass){ .md-button .md-button--primary }
 [:octicons-eye-16:](https://proton.me/pass/privacy-policy){ .card-link title="Privacy Policy" }