diff -up old/content_access.module new/content_access.module
--- old/content_access.module	2008-01-15 16:27:18.000000000 +0530
+++ new/content_access.module	2008-03-15 15:15:00.750000000 +0530
@@ -620,3 +620,23 @@ function content_access_node_type($op, $
       break;
   }
 }
+
+/**
+ * Implementation of hook_node_access_explain
+ */
+function content_access_node_access_explain($row) {
+  static $interpretations = array();
+  if (($row->realm == 'content_access_author') || ($row->realm == 'content_access_rid')) {
+    $interpretations[$row->gid] = t('Content access: ');
+    switch ($row->realm) {
+      case 'content_access_author':  
+        $interpretations[$row->gid] .= t('author of the content can access');
+        break;
+      case 'content_access_rid':
+        $roles = user_roles();
+        $interpretations[$row->gid] .= $roles[$row->gid] . t(' can access');
+        break;  
+    }
+    return $interpretations[$row->gid];
+  }
+}