diff --git a/src/main/kotlin/org/opensearch/replication/util/ValidationUtil.kt b/src/main/kotlin/org/opensearch/replication/util/ValidationUtil.kt
index 5a08374a..b057e414 100644
--- a/src/main/kotlin/org/opensearch/replication/util/ValidationUtil.kt
+++ b/src/main/kotlin/org/opensearch/replication/util/ValidationUtil.kt
@@ -122,6 +122,7 @@ object ValidationUtil {
 
         if ((pattern?.startsWith('_') ?: false) || (pattern?.startsWith('-') ?: false))
             validationException.addValidationError("Autofollow pattern: $pattern must not start with '_' or '-'")
+
     }
 
     /**