diff --git a/src/models/actions/update/UpdateRunnerCard.ts b/src/models/actions/update/UpdateRunnerCard.ts
index 51f70bf..1449600 100644
--- a/src/models/actions/update/UpdateRunnerCard.ts
+++ b/src/models/actions/update/UpdateRunnerCard.ts
@@ -17,7 +17,7 @@ export class UpdateRunnerCard {
     id?: number;
 
     /**
-     * The updated card's associated runner.
+     * The updated card's associated runner's id.
      */
     @IsInt()
     @IsOptional()