[release-notes] index: Add USB protection feature

[Link Dupont <link src gnome org>]

commit 1d527dc28bccb81b0612e4edb81e3803ea7d3579
Author: Diego Escalante Urrelo <diegoe gnome org>
Date:   Tue Sep 8 19:30:41 2020 -0500

    index: Add USB protection feature

 help/C/index.page | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/help/C/index.page b/help/C/index.page
index 9c451f14..71fa1d6c 100644
--- a/help/C/index.page
+++ b/help/C/index.page
@@ -67,7 +67,8 @@
     <app>Software</app> application restrictions, allowing you to select which
     applications can be installed.</p>
     <p>Other improvements to <app>Settings</app> include a new fingerprint
-    enrollment interface for devices with fingerprint readers and an option to
+    enrollment interface for devices with fingerprint readers, protection from
+    unauthorized USB devices when the screen is locked, and an option to
     show battery percentage indicator in the system menu.</p>
   </section>