[mediaqueries-5] punctuation

Author: frivoal

mediaqueries-5/Overview.bs

@@ -3379,7 +3379,7 @@ Appendix B: Privacy and Security Considerations</h2>
 	The 'display-mode' media feature allows an origin
 	access to aspects of a user’s local computing environment and,
 	particularly when used together with an [=application manifest=] [=manifest/display=] member [[APPMANIFEST]],
-	allows an origin some measure of control over a user agent’s native UI:
+	allows an origin some measure of control over a user agent’s native UI.
 	Through a CSS media query, a script can know the display mode of a web application.
 	An attacker could, in such a case,
 	exploit the fact that an application is being displayed in fullscreen