diff --git a/sbt-2.x-plugin-migration.md b/sbt-2.x-plugin-migration.md
index b4995dd..43e392c 100644
--- a/sbt-2.x-plugin-migration.md
+++ b/sbt-2.x-plugin-migration.md
@@ -79,7 +79,7 @@ Sources:
 | ThoughtWorksInc/sbt-api-mappings  | 90 | ?  | |
 | sbt/sbt-license-report  | 88 | ?  | |
 | ktoso/sbt-jol  | 87 | ?  | |
-| sbt/sbt-appengine  | 84 | ?  | |
+| sbt/sbt-appengine  | 84 | ?  | archived repo |
 | arktekk/sbt-aether-deploy  | 84 | ?  | |
 | orrsella/sbt-stats  | 80 | ?  | |
 | romanowski/hoarder  | 79 | ?  | |