diff --git a/README.md b/README.md
index 669b86da..4eee32a3 100644
--- a/README.md
+++ b/README.md
@@ -48,7 +48,7 @@ Or:
 $ myth analyze -a <contract-address>
 ```
 
-Specify the maximum number of transaction to explore with `-t <number>`. You can also set a timeout with `--execution timeout <seconds>`. Example ([source code](https://gist.github.com/b-mueller/2b251297ce88aa7628680f50f177a81a#file-killbilly-sol)):
+Specify the maximum number of transaction to explore with `-t <number>`. You can also set a timeout with `--execution-timeout <seconds>`. Example ([source code](https://gist.github.com/b-mueller/2b251297ce88aa7628680f50f177a81a#file-killbilly-sol)):
 
 ```
 ==== Unprotected Selfdestruct ====