diff --git a/command-line-flags-for-pd-configuration.md b/command-line-flags-for-pd-configuration.md
index d4f5770525fc5..d3a8cb62d460b 100644
--- a/command-line-flags-for-pd-configuration.md
+++ b/command-line-flags-for-pd-configuration.md
@@ -82,7 +82,7 @@ PD is configurable using command-line flags and environment variables.
 ## `--name`
 
 - The human-readable unique name for this PD member
-- Default: `"pd"`
+- Default: `"pd-${hostname}"`
 - If you want to start multiply PDs, you must use different name for each one.
 
 ## `--cacert`