*
* Additional custom keys/values that are not part of field storage
* definition can be added as shown below. The most common setting
- * passed along to the ID definition is 'alias', used by the SqlBase source
- * plugin in order to distinguish between ambiguous column names - for
- * example, when a SQL source query joins two tables with the same column
- * names.
+ * passed along to the ID definition is table 'alias', used by the SqlBase
+ * source plugin in order to distinguish between ambiguous column names -
+ * for example, when a SQL source query joins two tables with the same
+ * column names.
* @code
* return [
* 'nid' => [