Update src/guides/v2.4/test/integration/annotations/magento-data-fixture.md

Co-authored-by: Jeff Matthews <matthews.jeffery@gmail.com>

Author: thiaramus

src/guides/v2.4/test/integration/annotations/magento-data-fixture.md

@@ -152,7 +152,7 @@ class ProductsList extends \PHPUnit\Framework\TestCase
 
 It is possible to supply data as a variable from one fixture to another using the fixture alias in one of the following formats:
 
--  `$fixtureAlias$` is a reference to the data that was returned by the fixture with alias `fixtureAlias`
+-  `$fixtureAlias$` is a reference to the data that was returned by the fixture with alias `fixtureAlias`.
 -  `$fixtureAlias.snake_case_property_name$` is a reference to the property `snake_case_property_name` in the data that was returned by the fixture with alias `fixtureAlias`.
 
 The following example shows how a fixture can use the data of another fixture: