diff --git a/spec/shadow/index.html b/spec/shadow/index.html
index 34330dd4..153dd682 100644
--- a/spec/shadow/index.html
+++ b/spec/shadow/index.html
@@ -1325,8 +1325,9 @@ <h3>The <code>ShadowRoot</code> interface</h3>
 
           <dt>readonly attribute StyleSheetList styleSheets</dt>
           <dd>
-            <p>Represents the <a>shadow root style sheets</a>.</p>
-            <p>On getting, the attribute <strong>must</strong> return a <a><code>StyleSheetList</code></a> sequence containing the <a>shadow root style sheets</a>.
+            <p>Represents the style sheets in the shadow tree.</p>
+            <p>
+              This is defined in the similar way as defined in Document's <code>styleSheets</code>. On getting, the attribute <strong>must</strong> return a <a><code>StyleSheetList</code></a> sequence containing the style sheets in the shadow tree</a>.
             </p>
           </dd>
         </dl>