openproject/frontend/app/components/common/help-texts/help-text.modal.html

<div class="attribute-help-text--modal">
  <div>
    <div class="modal--header">
      <h2 class="ellipsis" ng-bind="::resource.attributeCaption"></h2>
    </div>

    <div class="modal--main -formattable"
         tabindex="0"
         ng-bind-html="::resource.helpText.html">
    </div>

    <div class="modal--footer">
      <button class="help-text--close-button button -highlight"
              ng-click="closeThisDialog()"
              data-click-on-keypress="[13, 32]"
              ng-bind="::text.close"
              ng-attr-title="{{ ::text.close }}">
      </button>
      <a class="help-text--edit-button button"
         ng-if="resource.editText"
         ng-attr-href="{{ resource.editText && resource.editText.$link.href }}"
         ng-attr-title="{{ ::text.edit }}">
        <op-icon icon-classes="button--icon icon-edit"></op-icon>
        <span class="button--text" ng-bind="::text.edit"></span>
      </a>
    </div>
  </div>
</div>