Ng-bind-html not working in ionic

<ion-card *ngFor="let act of actualite ">
        <ion-card-header>
          <ion-img src='https://www.proweb.ma/ten-pass/photos-actualite/small/{{act.photo}}'></ion-img>
          <ion-card-subtitle>{{act.lib1}}</ion-card-subtitle>
          <ion-card-title>{{act.sub_title}}</ion-card-title>
        </ion-card-header>
      
        <ion-card-content>
        <ion-p ng-bind-html='{{act.text1}}'></ion-p>
        </ion-card-content>
      </ion-card>

Hello,

hmmm. What is ? And is ng-bind-html angularjs?

Best regards, anna-liebt

change ng-bind-html to [innerHtml]=“act.text1”