diff --git a/app/src/main/java/com/keylesspalace/tusky/db/AppDatabase.java b/app/src/main/java/com/keylesspalace/tusky/db/AppDatabase.java
index 45e186e04..08014baa9 100644
--- a/app/src/main/java/com/keylesspalace/tusky/db/AppDatabase.java
+++ b/app/src/main/java/com/keylesspalace/tusky/db/AppDatabase.java
@@ -42,6 +42,8 @@ import java.io.File;
         TimelineAccountEntity.class,
         ConversationEntity.class
     },
+    // Note: Starting with version 54, database versions in Tusky are always even.
+    // This is to reserve odd version numbers for use by forks.
     version = 56,
     autoMigrations = {
         @AutoMigration(from = 48, to = 49),