Updated text

app/src/main/res/values/strings.xml

@@ -971,7 +971,7 @@
     <string name="title_encryption">Encryption</string>
     <string name="title_encryption_ssl" translatable="false">SSL/TLS</string>
     <string name="title_encryption_starttls" translatable="false">STARTTLS</string>
-    <string name="title_encryption_none">None</string>
+    <string name="title_encryption_none">None (insecure)</string>
     <string name="title_allow_insecure">Allow insecure connections</string>
     <string name="title_insecure_remark">Insecure connections should only be allowed on trusted networks and never on public networks</string>
     <string name="title_notify_remark">You can enable this for account specific notifications</string>