style: Update Ente Auth logo (#3168)

Signed-off-by: Daniel Gray <dngray@privacyguides.org>

docs/multi-factor-authentication.md

@@ -1,7 +1,7 @@
 ---
 title: Multifactor Authentication
 icon: material/two-factor-authentication
-description: These tools assist you with securing your internet accounts with multifactor authentication without sending your secrets to a third-party.
+description: These tools assist you with securing your internet accounts with multifactor authentication without sending your secrets to a third party.
 cover: multi-factor-authentication.webp
 ---
 <small>Protects against the following threat(s):</small>