diff --git a/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml b/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml
index 42e681e2cf..41e8e84b57 100644
--- a/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml
+++ b/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml
@@ -2847,7 +2847,7 @@
${user.home}/hadoop-http-auth-signature-secret
The signature secret for signing the authentication tokens.
- The same secret should be used for RM/NM/NN/DN configurations.
+ A different secret should be used for each service.