fix CR

src/main/res/values/strings.xml

@@ -772,5 +772,5 @@
     <string name="untrusted_domain">Access through untrusted domain. Please see documentation for further info.</string>
     <string name="notification_channel_push_name">Push notifications</string>
     <string name="notification_channel_push_description">Show push notifications sent by server, e.g. when mentioned in comments, you receive a new remote share or an announcement was posted by an admin.</string>
-    <string name="sendbutton_description">Icon for send button</string>
+    <string name="sendbutton_description">Send button icon</string>
 </resources>