diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/events/model/EventType.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/events/model/EventType.kt
index 0a7f3ff09f..68874a1fb1 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/events/model/EventType.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/events/model/EventType.kt
@@ -49,6 +49,12 @@ object EventType {
     const val STATE_ROOM_JOIN_RULES = "m.room.join_rules"
     const val STATE_ROOM_GUEST_ACCESS = "m.room.guest_access"
     const val STATE_ROOM_POWER_LEVELS = "m.room.power_levels"
+
+    /**
+     * Note that this Event has been deprecated, see
+     * - https://matrix.org/docs/spec/client_server/r0.6.1#historical-events
+     * - https://github.com/matrix-org/matrix-doc/pull/2432
+     */
     const val STATE_ROOM_ALIASES = "m.room.aliases"
     const val STATE_ROOM_TOMBSTONE = "m.room.tombstone"
     const val STATE_ROOM_CANONICAL_ALIAS = "m.room.canonical_alias"
diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/room/model/RoomAliasesContent.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/room/model/RoomAliasesContent.kt
index f70e013786..59989f3045 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/room/model/RoomAliasesContent.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/room/model/RoomAliasesContent.kt
@@ -21,6 +21,9 @@ import com.squareup.moshi.JsonClass
 
 /**
  * Class representing the EventType.STATE_ROOM_ALIASES state event content
+ * Note that this Event has been deprecated, see
+ * - https://matrix.org/docs/spec/client_server/r0.6.1#historical-events
+ * - https://github.com/matrix-org/matrix-doc/pull/2432
  */
 @JsonClass(generateAdapter = true)
 data class RoomAliasesContent(