diff --git a/whisper/README.md b/whisper/README.md
index 304995aae36..b64c0244f96 100644
--- a/whisper/README.md
+++ b/whisper/README.md
@@ -15,7 +15,7 @@ Usage:
 Options:
 	--whisper-pool-size SIZE       Specify Whisper pool size [default: 10].
 	-p, --port PORT                Specify which P2P port to use [default: random].
-	-a, --address ADDRESS          Specify which P@P address to use [default: 127.0.0.1].
+	-a, --address ADDRESS          Specify which P2P address to use [default: 127.0.0.1].
 	-s, --secret KEYFILE           Specify which file contains the key to generate the enode.
     -P, --rpc-port PORT            Specify which RPC port to use [default: 8545].
     -A, --rpc-address ADDRESS      Specify which RPC address to use [default: 127.0.0.1].