diff --git a/ui-ngx/src/app/modules/home/components/profile/device/mqtt-device-profile-transport-configuration.component.html b/ui-ngx/src/app/modules/home/components/profile/device/mqtt-device-profile-transport-configuration.component.html
index 1ef7892ecb..9e3ae02098 100644
--- a/ui-ngx/src/app/modules/home/components/profile/device/mqtt-device-profile-transport-configuration.component.html
+++ b/ui-ngx/src/app/modules/home/components/profile/device/mqtt-device-profile-transport-configuration.component.html
@@ -163,6 +163,6 @@
     <mat-checkbox formControlName="sendAckOnValidationException">
       {{ 'device-profile.mqtt-send-ack-on-validation-exception' | translate }}
     </mat-checkbox>
-    <div class="tb-hint" innerHTML="{{ 'device-profile.mqtt-send-ack-on-validation-exception-hint' | translate }}"></div>
+    <span class="tb-hint" style="max-width: 800px" innerHTML="{{ 'device-profile.mqtt-send-ack-on-validation-exception-hint' | translate }}"></span>
   </div>
 </form>