Extend comment for constructor

src/main/webapp/app/shared/pipes/artemis-translate.pipe.ts

@@ -12,7 +12,11 @@ import { TranslatePipe, TranslateService } from '@ngx-translate/core';
 export class ArtemisTranslatePipe implements PipeTransform, OnDestroy {
     private translatePipe: TranslatePipe;
 
-    // We cannot inject() ChangeDetectorRef here
+    /**
+     * We cannot inject() ChangeDetectorRef here, since this is a pipe (other than a component where its possible)
+     * However, in this case due to being a wrapper class for TranslatePipe, which implements the same constructor
+     * this exception should be okay.
+     */
     constructor(translateService: TranslateService, changeDetectorRef: ChangeDetectorRef) {
         this.translatePipe = new TranslatePipe(translateService, changeDetectorRef);
     }