diff --git a/samples/auth-server-user-pass-mqtt/README.md b/samples/auth-server-user-pass-mqtt/README.md
index c01c3e5b..fceffeda 100644
--- a/samples/auth-server-user-pass-mqtt/README.md
+++ b/samples/auth-server-user-pass-mqtt/README.md
@@ -32,7 +32,7 @@ You can deploy this module by running the following cmds in your AIO/K8s environ
         # Credential #1
         # username: client1
         # password: password1
-        # salt: "+H7jXzcEbq2kkyvpxtxePQ"
+        # salt: "EnyzbHpiNqeTeM9Gl3rjWQ"
         [client1]
         password = "$pbkdf2-sha512$i=100000,l=64$EnyzbHpiNqeTeM9Gl3rjWQ$Qc3MqYZ3Q49kz3Uh1Ia4A5UMDMlhxujgNjNYgpgVDDaiq13DP5IEM7gA7MbsU70RTGn5qHU9uis79LkLV5wkAg"
 
diff --git a/samples/auth-server-user-pass-mqtt/docs/develoop.md b/samples/auth-server-user-pass-mqtt/docs/develoop.md
index b6a0a18d..fbd3a7ec 100644
--- a/samples/auth-server-user-pass-mqtt/docs/develoop.md
+++ b/samples/auth-server-user-pass-mqtt/docs/develoop.md
@@ -39,7 +39,7 @@
         # Credential #1
         # username: client1
         # password: password1
-        # salt: "+H7jXzcEbq2kkyvpxtxePQ"
+        # salt: "EnyzbHpiNqeTeM9Gl3rjWQ"
         [client1]
         password = "$pbkdf2-sha512$i=100000,l=64$EnyzbHpiNqeTeM9Gl3rjWQ$Qc3MqYZ3Q49kz3Uh1Ia4A5UMDMlhxujgNjNYgpgVDDaiq13DP5IEM7gA7MbsU70RTGn5qHU9uis79LkLV5wkAg"