diff --git a/taxonomy_access.module b/taxonomy_access.module
index ec5948f..b3f2a55 100644
--- a/taxonomy_access.module
+++ b/taxonomy_access.module
@@ -1189,10 +1189,8 @@ function taxonomy_access_set_term_grants(array $grant_rows, $update_nodes = TRUE
 /**
  * Updates vocabulary default grants for a role.
  *
- * @param $rid
- *   The role ID to add the permission for.
  * @param (array) $grant_rows
- *   An array of grant rows formatted for Schema API, keyed by vocabulary ID.
+ *   An array of grant rows formatted for Schema API, keyed by vocabulary ID for each role grant.
  * @param $update_nodes
  *   (optional) A flag indicating whether to update node access.
  *   Defaults to TRUE.