diff --git a/config/checkstyle_sevntu_checks.xml b/config/checkstyle_sevntu_checks.xml
index 36aff1923..6383c6873 100644
--- a/config/checkstyle_sevntu_checks.xml
+++ b/config/checkstyle_sevntu_checks.xml
@@ -5,6 +5,7 @@
         "http://www.puppycrawl.com/dtds/configuration_1_2.dtd">
 
 <module name="Checker">
+    <!-- All checks are from https://github.com/sevntu-checkstyle/sevntu.checkstyle project -->
 
     <!-- Filters -->
     <module name="SuppressionFilter">