<label for="inputPassword5" class="form-label">Password</label>
<input type="password" id="inputPassword" class="form-control" aria-describedby="passwordInfo">
<div id="passwordInfo" class="form-text">
Your password must be 8-15 characters long, and this is an example of form-text
</div>
You don't need to remember all CSS classes. Just use the Bootstrap Editor instead.