use height adjectives for greater clarity

docs/css.html

@@ -2083,7 +2083,7 @@ For example, <code>&lt;section&gt;</code> should be wrapped as inline.
     <p>Set heights using classes like <code>.input-lg</code>, and set widths using grid column classes like <code>.col-lg-*</code>.</p>
 
     <h3>Height sizing</h3>
-    <p>Create larger or smaller form controls that match button sizes.</p>
+    <p>Create taller or shorter form controls that match button sizes.</p>
     <div class="bs-example bs-example-control-sizing">
       <form role="form">
         <div class="controls">