diff --git a/core/modules/node/node.api.php b/core/modules/node/node.api.php
index d526c48..2ec9d0a 100644
--- a/core/modules/node/node.api.php
+++ b/core/modules/node/node.api.php
@@ -558,6 +558,9 @@ function hook_node_load($nodes, $types) {
  * block access, return NODE_ACCESS_IGNORE or simply return nothing.
  * Blindly returning FALSE will break other node access modules.
  *
+ * Also note that this function isn't called for node listings.
+ * See @link node_access Node access rights @endlink for a full explanation.
+ *
  * @param object|string $node
  *   Either a node object or the machine name of the content type on which to
  *   perform the access check.