diff --git a/src/checkstyle/checkstyle.xml b/src/checkstyle/checkstyle.xml
index d69c423368..62847e72ff 100644
--- a/src/checkstyle/checkstyle.xml
+++ b/src/checkstyle/checkstyle.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
-<!DOCTYPE module PUBLIC "-//Puppy Crawl//DTD Check Configuration 1.2//EN" "http://www.puppycrawl.com/dtds/configuration_1_2.dtd">
+<!DOCTYPE module PUBLIC "-//Checkstyle//DTD Checkstyle Configuration 1.3//EN" "https://checkstyle.org/dtds/configuration_1_3.dtd">
 <module name="com.puppycrawl.tools.checkstyle.Checker">
-	<!-- Supressions -->
+	<!-- Suppressions -->
 	<module name="SuppressionFilter">
 		<property name="file" value="${config_loc}/checkstyle-suppressions.xml"/>
 	</module>