diff --git a/framework/db/ActiveRecord.php b/framework/db/ActiveRecord.php
index ccda50c2028..b8feb6616a5 100644
--- a/framework/db/ActiveRecord.php
+++ b/framework/db/ActiveRecord.php
@@ -516,7 +516,7 @@ protected function insertInternal($attributes = null)
      * will not be saved to the database and this method will return `false`.
      * @param array $attributeNames list of attributes that need to be saved. Defaults to `null`,
      * meaning all attributes that are loaded from DB will be saved.
-     * @return integer|boolean the number of rows affected, or false if validation fails
+     * @return integer|false the number of rows affected, or false if validation fails
      * or [[beforeSave()]] stops the updating process.
      * @throws StaleObjectException if [[optimisticLock|optimistic locking]] is enabled and the data
      * being updated is outdated.
diff --git a/framework/db/BaseActiveRecord.php b/framework/db/BaseActiveRecord.php
index 8777b42fdda..74a58a98e73 100644
--- a/framework/db/BaseActiveRecord.php
+++ b/framework/db/BaseActiveRecord.php
@@ -681,7 +681,7 @@ public function save($runValidation = true, $attributeNames = null)
      * will not be saved to the database and this method will return `false`.
      * @param array $attributeNames list of attribute names that need to be saved. Defaults to null,
      * meaning all attributes that are loaded from DB will be saved.
-     * @return integer|boolean the number of rows affected, or `false` if validation fails
+     * @return integer|false the number of rows affected, or `false` if validation fails
      * or [[beforeSave()]] stops the updating process.
      * @throws StaleObjectException if [[optimisticLock|optimistic locking]] is enabled and the data
      * being updated is outdated.
@@ -739,7 +739,7 @@ public function updateAttributes($attributes)
     /**
      * @see update()
      * @param array $attributes attributes to update
-     * @return integer number of rows updated
+     * @return integer|false the number of rows affected, or false if [[beforeSave()]] stops the updating process.
      * @throws StaleObjectException
      */
     protected function updateInternal($attributes = null)