Update error-identification.html

Author: mbgower

understanding/20/error-identification.html

@@ -25,10 +25,9 @@ <h2>Intent of Error Identification</h2>
          has occurred and can determine what is wrong. In the case of an unsuccessful form submission,
          it is not sufficient to only re-display the form without providing any hint that the submission
          failed.
-         The error must be indicated in <a>text</a>.
-         Whether or not an error message provides users with sufficient information about the nature of
-         the error, and what they should do to correct it, is covered more specifically by
-         <a href="error-suggestion">3.3.3 Error Suggestion</a>.
+         The error must be indicated in <a>text</a>.</p>
+         <p>This SC requires that users be provided with information about the nature of the error, including the identity of the item in error. What the user should do to correct the item in error is covered by 
+         <a href="error-suggestion">3.3.3 Error Suggestion</a>. Often, the error description can be phrased so that it meets both SC 3.3.1 and SC 3.3.3 simultaneously. For instance, "Please provide a valid email address" conveys that email the field is empty or invalid and also how it can be fixed.
       </p>
       <p>An "input error" is information provided by the user that is not accepted. This includes:</p>