fix

Author: louismaximepiton

scss/forms/_floating-labels.scss

@@ -84,7 +84,8 @@
     }
   }
 
-  > :disabled ~ label {
+  > :disabled ~ label,
+  > .form-control:disabled ~ label { // Required for `.form-control`s because of specificity
     color: $form-floating-label-disabled-color;
 
     &::after {

site/content/docs/5.3/forms/floating-labels.md

@@ -89,7 +89,7 @@ Add the `disabled` boolean attribute on an input, a textarea or a select to give
   <label for="floatingTextareaDisabled">Comments</label>
 </div>
 <div class="form-floating mb-3">
-  <textarea class="form-control" placeholder="Leave a comment here" id="floatingTextarea2Disabled" style="height: 100px" disabled></textarea>
+  <textarea class="form-control" placeholder="Leave a comment here" id="floatingTextarea2Disabled" style="height: 100px" disabled>Disabled textarea with some text inside</textarea>
   <label for="floatingTextarea2Disabled">Comments</label>
 </div>
 <div class="form-floating">