diff --git a/README.md b/README.md
index c7201a4cef..4b797b5a70 100644
--- a/README.md
+++ b/README.md
@@ -19,6 +19,5 @@ Install
 Command line options
 ====================
 
--c will launch the developer console
-
-Supported arguments `update` and `get`
+-c      launch the developer console
+-m      start mining fake blocks and broadcast fake messages to the net
diff --git a/ethereum.go b/ethereum.go
index a935f903ef..aee8ebc30f 100644
--- a/ethereum.go
+++ b/ethereum.go
@@ -16,7 +16,7 @@ var StartConsole bool
 var StartMining bool
 func Init() {
   flag.BoolVar(&StartConsole, "c", false, "debug and testing console")
-  flag.BoolVar(&StartMining, "mine", false, "start dagger mining")
+  flag.BoolVar(&StartMining, "m", false, "start dagger mining")
 
   flag.Parse()
 }