diff --git a/Block/Head.php b/Block/Head.php
index eba1176..fc0292d 100644
--- a/Block/Head.php
+++ b/Block/Head.php
@@ -45,13 +45,8 @@ public function printScript()
         if (true === empty($propertyId)) {
             return;
         }
-
-		// @codingStandardsIgnoreStart
-        echo <<<SCRIPT
-
-<script src="//platform-api.sharethis.com/js/sharethis.js?ver=1.5.7#property=$propertyId"></script>
-
-SCRIPT;
-		// @codingStandardsIgnoreEnd
+        ?>
+        <script src="//platform-api.sharethis.com/js/sharethis.js?ver=1.5.7#property=<?= $propertyId; ?>"></script>
+        <?php
     }
 }
diff --git a/USERGUIDE.pdf b/USERGUIDE.pdf
new file mode 100644
index 0000000..4f7ac06
Binary files /dev/null and b/USERGUIDE.pdf differ