Add more clear documentation

matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/room/model/relation/RelationContent.kt

@@ -24,5 +24,9 @@ interface RelationContent {
     val eventId: String?
     val inReplyTo: ReplyToContent?
     val option: Int?
-    val isFallingBack: Boolean? // Thread fallback to differentiate replies within threads
+    /**
+     * This flag indicates that the message should be displayed in the main
+     * timeline as a reply if needed
+     */
+    val isFallingBack: Boolean?
 }

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/room/relation/EventEditor.kt

@@ -100,7 +100,7 @@ internal class EventEditor @Inject constructor(private val eventSenderProcessor:
                     eventReplied = originalTimelineEvent,
                     replyText = newBodyText,
                     autoMarkdown = false,
-                    showInThread = false    // Test that value
+                    showInThread = false
             )?.copy(
                     eventId = replyToEdit.eventId
             ) ?: return NoOpCancellable