diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index b4ddf25eef..dc9cedc9eb 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -890,6 +890,7 @@
     <string name="BackupsPreferenceFragment__in_progress">In progress…</string>
     <!-- Status text shown in backup preferences when verifying a backup -->
     <string name="BackupsPreferenceFragment__verifying_backup">Verifying backup…</string>
+    <!-- Progress of backup where %d is the number of files completed so far -->
     <string name="BackupsPreferenceFragment__d_so_far">%1$d so far…</string>
     <!-- Show percentage of completion of backup -->
     <string name="BackupsPreferenceFragment__s_so_far">%1$s%% so far…</string>
@@ -1990,6 +1991,7 @@
     <string name="MessageRequestBottomView_continue_your_conversation_with_s_and_share_your_name_and_photo">Continue your chat with %1$s and share your name and photo with them?</string>
     <string name="MessageRequestBottomView_do_you_want_to_join_this_group_they_wont_know_youve_seen_their_messages_until_you_accept">Join this group and share your name and photo with its members? They won\'t know you\'ve seen their messages until you accept.</string>
     <string name="MessageRequestBottomView_do_you_want_to_join_this_group_you_wont_see_their_messages">Join this group and share your name and photo with its members? You won\'t see their messages until you accept.</string>
+    <!-- Shown when you are invited to a group and explains that until you accept the invitation to the group, members will not know that you have seen their messages. -->
     <string name="MessageRequestBottomView_join_this_group_they_wont_know_youve_seen_their_messages_until_you_accept">Join this group? They won’t know you’ve seen their messages until you accept.</string>
     <string name="MessageRequestBottomView_unblock_this_group_and_share_your_name_and_photo_with_its_members">Unblock this group and share your name and photo with its members? You won\'t receive any messages until you unblock them.</string>
     <string name="MessageRequestBottomView_legacy_learn_more_url" translatable="false">https://support.signal.org/hc/articles/360007459591</string>
@@ -2176,6 +2178,7 @@
     <!-- WebRtcCallActivity -->
     <string name="WebRtcCallActivity__tap_here_to_turn_on_your_video">Tap here to turn on your video</string>
     <string name="WebRtcCallActivity__to_call_s_signal_needs_access_to_your_camera">To call %1$s, Signal needs access to your camera</string>
+    <!-- Subtitle shown at top of call where %s is the elapsed time of the call -->
     <string name="WebRtcCallActivity__signal_s">Signal %1$s</string>
     <string name="WebRtcCallActivity__calling">Calling…</string>
     <!-- Call status shown when an active call was disconnected (e.g., network hiccup) and is trying to reconnect -->
@@ -2422,6 +2425,7 @@
         <item quantity="one">Signal will Ring (%1$d)</item>
         <item quantity="other">Signal will Ring (%1$d)</item>
     </plurals>
+    <!-- Header text shown in a bottom sheet that indicates how many people will be notified about an outgoing call -->
     <plurals name="CallParticipantsListDialog__signal_will_notify">
         <item quantity="one">Signal will Notify (%1$d)</item>
         <item quantity="other">Signal will Notify (%1$d)</item>
@@ -2649,6 +2653,7 @@
 
     <!-- ThreadRecord -->
     <string name="ThreadRecord_group_updated">Group updated</string>
+    <!-- Text shown you have left a group -->
     <string name="ThreadRecord_left_the_group">Left the group</string>
     <string name="ThreadRecord_secure_session_reset">Secure session reset.</string>
     <string name="ThreadRecord_draft">Draft:</string>
@@ -2853,6 +2858,7 @@
         <item quantity="one">%1$d chat</item>
         <item quantity="other">%1$d chats</item>
     </plurals>
+    <!-- Shown in a notification when you receive multiple chat messages. %s is the contact name of the most recent message -->
     <string name="MessageNotifier_most_recent_from_s">Most recent from: %1$s</string>
     <string name="MessageNotifier_locked_message">Locked message</string>
     <string name="MessageNotifier_message_delivery_failed">Message delivery failed.</string>