readme.md in rubrowser-2.0.0 vs readme.md in rubrowser-2.1.0

@@ -50,9 +50,10 @@
 ## Usage
 
 
 ```
 Usage: rubrowser [options] [file] ...
+    -T, --no-toolbox                 Don't display toolbox on the page
     -v, --version                    Print Rubrowser version
     -h, --help                       Prints this help
 ```
 
 if you run it without any options