diff --git a/server/src/main/java/org/opensearch/index/mapper/MapperService.java b/server/src/main/java/org/opensearch/index/mapper/MapperService.java
index 2db0ab63a51f7..fc8654216e187 100644
--- a/server/src/main/java/org/opensearch/index/mapper/MapperService.java
+++ b/server/src/main/java/org/opensearch/index/mapper/MapperService.java
@@ -264,7 +264,7 @@ public MapperService(
         if (INDEX_MAPPER_DYNAMIC_SETTING.exists(indexSettings.getSettings())) {
             deprecationLogger.deprecate(
                 index().getName() + INDEX_MAPPER_DYNAMIC_SETTING.getKey(),
-                "Index [{}] has setting [{}] that was removed after version ES 6.0.0, its value will be ignored.",
+                "Index [{}] has setting [{}] that is not supported in OpenSearch, its value will be ignored.",
                 index().getName(),
                 INDEX_MAPPER_DYNAMIC_SETTING.getKey()
             );