--- a/latest/use-cases/index.html	Sun Mar 29 00:03:33 2015 -0400
+++ b/latest/use-cases/index.html	Sun Mar 29 00:18:45 2015 -0400
@@ -1610,6 +1610,15 @@
         <p>
         </p>
 
+        <p class="note">
+Before subjecting a person or organization to any financial transaction
+commitment (such as a web payment), they should be presented with the option
+of reversing, checking, or confirming their choice or submission. For more
+details, see the section on
+<a href="http://www.w3.org/TR/2008/REC-WCAG20-20081211/#minimize-error-reversible">Error Prevention (Legal, Financial, Data)</a>
+in [[WCAG20]].
+        </p>
+
         <dl class="dl-horizontal">
           <dt>Payee-initiated</dt>
           <dd>
@@ -1968,7 +1977,7 @@
           <dd>
 Improved user experience,
 Innovation,
-Portability, 
+Portability,
 and rapid, widespread adoption.
           </dd>
           <dt>Motivation</dt>