shorter copy

docs/docs.html

@@ -1568,12 +1568,12 @@ For example, <code>&lt;section&gt;</code> should be wrapped as inline.
 
     <div class="bs-docs-sidenote">
       <h4>Link functionality of <code>&lt;a&gt;</code> not impacted</h4>
-      <p>This class will only change the appearance of <code>&lt;a class="btn"&gt;</code> buttons, not their functionality. You need to use custom JavaScript to disable links here.</p>
+      <p>This class will only change the appearance of <code>&lt;a class="btn"&gt;</code> buttons, not their functionality. Use custom JavaScript to disable links here.</p>
     </div>
 
     <div class="bs-docs-sidenote">
       <h4>Cross-browser compatibility</h4>
-      <p>While Bootstrap will apply these styles in all browsers, IE and Safari don't actually support the <code>&lt;disabled&gt;</code> attribute on a <code>&lt;fieldset&gt;</code>. You need to use custom JavaScript to disable the fieldset in these browsers.</p>
+      <p>While Bootstrap will apply these styles in all browsers, IE and Safari don't actually support the <code>&lt;disabled&gt;</code> attribute on a <code>&lt;fieldset&gt;</code>. Use custom JavaScript to disable the fieldset in these browsers.</p>
     </div>
 
     <form class="bs-docs-example form-inline">
@@ -2154,7 +2154,7 @@ For example, <code>&lt;section&gt;</code> should be wrapped as inline.
     </p>
     <div class="bs-docs-sidenote">
       <h4>Link functionality not impacted</h4>
-      <p>This class will only change the <code>&lt;a&gt;</code>'s appearance, not its functionality. You need to use custom JavaScript to disable links here.</p>
+      <p>This class will only change the <code>&lt;a&gt;</code>'s appearance, not its functionality. Use custom JavaScript to disable links here.</p>
     </div>
 
 
@@ -3309,7 +3309,7 @@ For example, <code>&lt;section&gt;</code> should be wrapped as inline.
 
     <div class="bs-docs-sidenote">
       <h4>Link functionality not impacted</h4>
-      <p>This class will only change the <code>&lt;a&gt;</code>'s appearance, not its functionality. You need to use custom JavaScript to disable links here.</p>
+      <p>This class will only change the <code>&lt;a&gt;</code>'s appearance, not its functionality. Use custom JavaScript to disable links here.</p>
     </div>
 
     <div class="bs-docs-example">