jQuery dropdown hide show div based on value

HTML

<select id="reasonDropDown" name="Select">
    <option>Select One</option>
    <option>Select Two</option>
    <option>Select Three</option>
    <option value="other" id="other">Other</option>
</select>
<div class="otherReasonTextBox">Other Reason Textbox</div>

CSS

.otherReasonTextBox {
     display:none;
 }

JavaScript

$(document).ready(function (e) {
    $('#reasonDropDown').change(function () {
        if ($(this).val() == 'other') {
            $('.otherReasonTextBox').show();
        } else {
            $('.otherReasonTextBox').hide();
        }
    });
});