diff --git a/pmd-core/src/main/resources/rulesets/releases/600.xml b/pmd-core/src/main/resources/rulesets/releases/600.xml
index 878f268efc..59010a3370 100644
--- a/pmd-core/src/main/resources/rulesets/releases/600.xml
+++ b/pmd-core/src/main/resources/rulesets/releases/600.xml
@@ -10,6 +10,7 @@ This ruleset contains links to rules that are new in PMD v6.0.0
+