diff --git a/modules/simpletest/tests/upgrade/drupal-6.trigger.database.php b/modules/simpletest/tests/upgrade/drupal-6.trigger.database.php
index e0b7fe6..8c5f2f9 100644
--- a/modules/simpletest/tests/upgrade/drupal-6.trigger.database.php
+++ b/modules/simpletest/tests/upgrade/drupal-6.trigger.database.php
@@ -74,7 +74,7 @@ db_insert('trigger_assignments')->fields(array(
 ))
 ->execute();
 
-// Add all the configurations for system_message_action
+// Add all the configurations for system_message_action().
 db_insert('actions')->fields(array(
   'aid',
   'type',
diff --git a/modules/trigger/trigger.install b/modules/trigger/trigger.install
index cb36aff..a295463 100644
--- a/modules/trigger/trigger.install
+++ b/modules/trigger/trigger.install
@@ -107,7 +107,7 @@ function trigger_update_7002() {
 }
 
 /**
- * Update taxonomy hook records to new names.
+ * Update the names of taxonomy hooks used as triggers.
  */
 function trigger_update_7003() {
   $result = db_query("SELECT hook, aid FROM {trigger_assignments}");