rework docs copy: inputs-without-labels are likely the more common case

docs/css.html

@@ -2067,7 +2067,7 @@ For example, <code>&lt;section&gt;</code> should be wrapped as inline.
   <p>You can also add optional feedback icons with the addition of <code>.has-feedback</code> and the right icon.</p>
   <div class="bs-callout bs-callout-warning">
     <h4>Icons, labels, and input groups</h4>
-    <p>Manual positioning of feedback icons is required for <a href="../components#input-groups">input groups</a> with an add-on on the right and inputs without a label. For input groups, adjust the <code>right</code> value to an appropriate pixel value depending on the width of your addon. For labels, adjust the <code>top</code>value.</p>
+    <p>Manual positioning of feedback icons is required for inputs without a label and for <a href="../components#input-groups">input groups</a> with an add-on on the right. For inputs without labels, adjust the <code>top</code>value. For input groups, adjust the <code>right</code> value to an appropriate pixel value depending on the width of your addon.</p>
   </div>
   <div class="bs-example">
     <form role="form">