Change to passive voice.

content/why/_index.en.md

@@ -14,9 +14,9 @@ There are many services and programs for instant electronic communication. Matri
 - Communication protocol for federated real-time communication (no isolated solution but like e-mail with worldwide connectivity)
 - Differentiated communication possible (1:1, multiple teams, topic-specific)
 - Decentralized, persistent and interoperable communication (no central control instances, connectable with other protocols and tools)
-- Data protection: end-to-end encryption in 1:1 conversations standard, can be switched on in (group) rooms as required
+- Data protection: end-to-end encryption in 1:1 conversations standard, are switched on in (group) rooms as required
 - Web application + desktop client + mobile apps available
-  - The contacts on your own cell phone are not automatically passed on to third parties
+  - The cell phopne contacts are not automatically passed on to third parties
 - Connection to existing authentication systems (e.g. Darmstadt University of Applied Sciences)
 - Existing successful security audit
 - Autonomy and control: locally installable (server location Darmstadt University of Applied Sciences)