diff --git a/confluent_client/doc/man/nodefirmware.ronn b/confluent_client/doc/man/nodefirmware.ronn
index 7f3df2c2..7f24ecfe 100644
--- a/confluent_client/doc/man/nodefirmware.ronn
+++ b/confluent_client/doc/man/nodefirmware.ronn
@@ -4,7 +4,7 @@ nodefirmware(8) -- Report firmware information on confluent nodes
 ## SYNOPSIS
 
 `nodefirmware <noderange>`  
-`nodefirmware <noderange> update <filename>`  
+`nodefirmware <noderange> update [--backup] <filename>`
 
 ## DESCRIPTION