diff --git a/README.md b/README.md
index 7c14fbc1..53cac90a 100644
--- a/README.md
+++ b/README.md
@@ -75,7 +75,7 @@ You may also download a binary from [Github](https://github.com/borkdude/babashk
 ## Usage
 
 ``` shellsession
-bb [ --help ] [ -i ] [ -o ] [ -io ] [ --version ] [ -f <file> ] [ expression ]
+bb [ --help ] | [ --version ] | ( [ -i ] [ -o ] | [ -io ] ) ( expression | -f <file> )
 ```
 
 Type `bb --help` to see a full explanation of the options.
diff --git a/src/babashka/main.clj b/src/babashka/main.clj
index e62e3411..e3f742cb 100644
--- a/src/babashka/main.clj
+++ b/src/babashka/main.clj
@@ -55,7 +55,7 @@
 (defn print-version []
   (println (str "babashka v"(str/trim (slurp (io/resource "BABASHKA_VERSION"))))))
 
-(def usage-string "Usage: [ --help ] | [ --version ] | [ -i ] [ -o ] [ -io ]  ( expression | -f <fie> )")
+(def usage-string "Usage: bb [ --help ] | [ --version ] | ( [ -i ] [ -o ] | [ -io ] ) ( expression | -f <file> )")
 (defn print-usage []
   (println usage-string))