--- a/spec/Overview-WebCryptoAPI.xml	Wed Oct 22 14:03:02 2014 -0700
+++ b/spec/Overview-WebCryptoAPI.xml	Wed Oct 22 14:06:07 2014 -0700
@@ -12876,7 +12876,7 @@
                           <p>
                             If the length in bits of <var>data</var> is not 128, 192 or 256
                             then <a href="#concept-return-an-error">return an error</a> named
-                            <a href="#dfn-OperationError"><code>OperationError</code></a>.
+                            <a href="#dfn-DataError"><code>DataError</code></a>.
                           </p>
                         </li>
                       </ol>

--- a/spec/Overview.html	Wed Oct 22 14:03:02 2014 -0700
+++ b/spec/Overview.html	Wed Oct 22 14:06:07 2014 -0700
@@ -12449,7 +12449,7 @@
                           <p>
                             If the length in bits of <var>data</var> is not 128, 192 or 256
                             then <a href="#concept-return-an-error">return an error</a> named
-                            <a href="#dfn-OperationError"><code>OperationError</code></a>.
+                            <a href="#dfn-DataError"><code>DataError</code></a>.
                           </p>
                         </li>
                       </ol>