Improve

src/app/shared/agenda/new-event/new-event.page.html

@@ -118,7 +118,7 @@
             <input matInput [ngxMatDatetimePicker]="picker1" 
               placeholder="Choose a date" 
               [formControl]="dateControlStart"
-              [min]="minDate" [max]="maxDate" 
+              [min]="minDate"
               [disabled]="disabled"
             >
             <mat-datepicker-toggle id="new-inicio" matSuffix [for]="picker1"></mat-datepicker-toggle>
@@ -193,7 +193,7 @@
     <div *ngIf="Form && validateFrom" >
       <div *ngIf="Form.get('participantes').invalid " class="input-errror-message">
         <div *ngIf="Form.get('participantes').errors?.required">
-          Adicionar participant.
+          Adicionar participante.
         </div>
       </div>
     </div>