Fixed method name

framework/CHANGELOG.md

@@ -5,6 +5,7 @@ Yii Framework 2 Change Log
 2.0.9 under development
 -----------------------
 
+- Enh #11195: Added ability to append custom string to schema builder column definition (df2, samdark)
 - Enh #11490: Added `yii\data\ArrayDataProvider::$modelClass` property to specify a model used to provide column labels even when data array is empty (PowerGamer1)
 - Bug #9950: Updated `yii\grid\DataColumn::getHeaderCellLabel()` to extract attribute label from the `filterModel` of Grid (silverfire)
 - Enh #11428: Speedup SQL query in `yii\db\oci\Schema::findColumns()` (SSiwek)

framework/db/ColumnSchemaBuilder.php

@@ -247,7 +247,7 @@ class ColumnSchemaBuilder extends Object
      * @return $this
      * @since 2.0.9
      */
-    public function plus($sql)
+    public function append($sql)
     {
         $this->append = $sql;
         return $this;