diff --git a/modules/authcache_p13n/authcache_p13n.api.php b/modules/authcache_p13n/authcache_p13n.api.php
index a81b1ff..a85f8c2 100644
--- a/modules/authcache_p13n/authcache_p13n.api.php
+++ b/modules/authcache_p13n/authcache_p13n.api.php
@@ -91,43 +91,43 @@ function hook_authcache_p13n_fragment_alter(&$info) {
 function hook_authcache_p13n_assembly() {
   return array(
     'flags' => array(
       'admin name' => 'All flags',
       'admin group' => 'Flag',
       'admin description' => 'All flags on a page',
       'cache maxage' => 600,
       'bootstrap phase' => DRUPAL_BOOTSTRAP_FULL,
       'fragment f1' => array(
         '#class' => 'AuthcacheFlagFlagFragment',
         '#arguments' => array(
           'bookmarks',
         ),
         '#member_of' => 'partial f1',
         '#key' => 'renderer',
       ),
       'partial f1' => array(
         '#collection' => 'partial f1',
         '#member_of' => 'partials',
         '#key' => 'f1',
       ),
-      'fragment f1' => array(
+      'fragment f2' => array(
         '#class' => 'AuthcacheFlagFlagFragment',
         '#arguments' => array(
           'friends',
         ),
         '#member_of' => 'partial f2',
         '#key' => 'renderer',
       ),
       'partial f2' => array(
         '#collection' => 'partial f2',
         '#member_of' => 'partials',
         '#key' => 'f2',
       ),
     ),
   );
 }
 
 /**
  * Modify fragment assemblies declared by other modules.
  *
  * @see hook_authcache_p13n_assembly()
  */