diff --git a/models/Exercise.ts b/models/Exercise.ts
index 1cc6df278985b8bee554a0b78d96d5d558af0e4d..56304057db80e920b70abfee76f451c742df6eab 100644
--- a/models/Exercise.ts
+++ b/models/Exercise.ts
@@ -18,6 +18,7 @@ interface Exercise {
 
     isCorrection: boolean;
     correctionCommit: Gitlab.CommitSchema | undefined;
+    correctionDescription: string | undefined;
 }