diff --git a/src/main/kotlin/org/opensearch/commons/alerting/util/ValidationHelpers.kt b/src/main/kotlin/org/opensearch/commons/alerting/util/ValidationHelpers.kt
index 8f2d8d2c..b956ee65 100644
--- a/src/main/kotlin/org/opensearch/commons/alerting/util/ValidationHelpers.kt
+++ b/src/main/kotlin/org/opensearch/commons/alerting/util/ValidationHelpers.kt
@@ -25,4 +25,4 @@ class ValidationHelpers {
          */
         val CLUSTER_PATTERN_REGEX = Regex("^(?=.{1,255}$)[a-z0-9]([a-zA-Z0-9_-]*:?[a-zA-Z0-9_-]*)$")
     }
-}
\ No newline at end of file
+}