diff --git a/README.md b/README.md
index 25815d6..205a11b 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ Calculate cost of electricity.
 $ kwh-cost [OPTIONS] price wattage interval [interval ..]
 ```
 
-Options are -v, --version to show program's version; and -h, --help to show usage of a program.
+Options are `-v, --version` to show program's version; and `-h, --help` to show usage of a program.
 
 `price` is a price per kWh. `wattage` is how many Watts being consumed. `interval` is for how long.