diff --git a/app/src/main/kotlin/io/flamenet/messenger/app/ChatScreens.kt b/app/src/main/kotlin/io/flamenet/messenger/app/ChatScreens.kt
index 215cc86..7674faa 100644
--- a/app/src/main/kotlin/io/flamenet/messenger/app/ChatScreens.kt
+++ b/app/src/main/kotlin/io/flamenet/messenger/app/ChatScreens.kt
@@ -1785,6 +1785,7 @@ fun ColumnScope.ChatScreen(
                 Bubble(
                     line = line,
                     model = model,
+                    myUserId = myUserId,
                     authorName =
                         when {
                             line.mine || chat.group == null -> {
@@ -2318,6 +2319,8 @@ private fun ColumnScope.VoiceComposer(
 private fun Bubble(
     line: Session.Line,
     model: MessengerViewModel,
+    /** Ours, so a private reaction can say which side of it you are on. */
+    myUserId: Long = 0L,
     authorName: String = "",
     picture: io.flamenet.e2e.Attachment.Ref? = null,
 ) {
@@ -2530,7 +2533,12 @@ private fun Bubble(
                     // should not be mistaken for one the group watched arrive.
                     line.privateReactions.entries.sortedBy { it.key }.forEach { (emoji, who) ->
                         Text(
-                            if (who.size == 1) "$emoji private" else "$emoji ${who.size} private",
+                            run {
+                                // The person who sent it is told who saw it;
+                                // the author is told that nobody else did.
+                                val side = if (myUserId in who) "only them" else "only you"
+                                if (who.size == 1) "$emoji $side" else "$emoji ${who.size} $side"
+                            },
                             fontSize = 13.sp,
                             color = Palette.SecondaryText,
                             modifier =
diff --git a/app/src/test/kotlin/io/flamenet/messenger/app/PrivateReactionSendTest.kt b/app/src/test/kotlin/io/flamenet/messenger/app/PrivateReactionSendTest.kt
index c27a090..85803a4 100644
--- a/app/src/test/kotlin/io/flamenet/messenger/app/PrivateReactionSendTest.kt
+++ b/app/src/test/kotlin/io/flamenet/messenger/app/PrivateReactionSendTest.kt
@@ -73,5 +73,8 @@ class PrivateReactionSendTest {
         assertTrue(chat.contains("react-private-toggle"), "no way to choose a private reaction")
         assertTrue(chat.contains("privately = privately"))
         assertTrue(chat.contains("line.privateReactions.entries"), "private reactions are not drawn")
+        // The same chip has to read correctly from both sides of it.
+        assertTrue(chat.contains("\"only them\""))
+        assertTrue(chat.contains("\"only you\""))
     }
 }