Clarified comments

ref #90

src/models/actions/update/UpdateScan.ts

@@ -16,7 +16,7 @@ export abstract class UpdateScan {
     id: number;
 
     /**
-     * The updated scan's associated runner.
+     * The updated scan's associated runner's id.
      * This is important to link ran distances to runners.
      */
     @IsInt()

src/models/actions/update/UpdateTrackScan.ts

@@ -18,7 +18,7 @@ export abstract class UpdateTrackScan {
     id: number;
 
     /**
-     * The updated scan's associated runner.
+     * The updated scan's associated runner's id.
      * This is important to link ran distances to runners.
      */
     @IsInt()
@@ -33,7 +33,7 @@ export abstract class UpdateTrackScan {
     valid?: boolean = true;
 
     /**
-     * The updated scan's associated station.
+     * The updated scan's associated station's id.
      * This is important to link ran distances to runners.
      */
     @IsInt()