diff --git a/README.md b/README.md
index 8d93f31c..07086085 100644
--- a/README.md
+++ b/README.md
@@ -389,6 +389,8 @@ man pages of the applications, respectively.
        [--executable <path>]      path to the executable of ss-server
                                   only available in manager mode
 
+       [--obfs <http|tls>]        Enable obfuscating: HTTP or TLS (Experimental).
+
        [-v]                       verbose mode
 
 notes: