diff --git a/README.md b/README.md
index 9577065fd..7c4d29c15 100644
--- a/README.md
+++ b/README.md
@@ -207,7 +207,8 @@ nyc instrument [output]
`` can be any file or directory within the project root directory.
The `[output]` directory is optional and can be located anywhere, if it is not set the instrumented code will be sent to `stdout`.
-For example, `nyc instrument . ./output` will copy all files from `.` to `./output` and produce instrumented versions of any source files it finds along the way.
+For example, `nyc instrument . ./output` will produce instrumented versions of any source files it finds in `.` and store them in `./output`.
+
Run `nyc instrument --help` to display a list of available command options.