diff --git a/README.md b/README.md
index d04c455..d897a38 100644
--- a/README.md
+++ b/README.md
@@ -41,8 +41,8 @@ plt.show()
 
 * `print_metadata` will enable a DEBUG logger to log read messages, then it will print basic metadata for each found stream.
     * `python -m pyxdf.cli.print_metadata -f=/path/to/my.xdf`
-* `playback_lsl` will open an XDF file then replay its data in an infinite loop, but using current timestamps. This is useful for prototyping online processing.
-    * `python -m pyxdf.cli.playback_lsl /path/to/my.xdf` 
+* `playback_lsl` will open an XDF file, then replay its data in an infinite loop, but using current timestamps. This is useful for prototyping online processing.
+    * `python -m pyxdf.cli.playback_lsl /path/to/my.xdf --loop`
 
 ## Installation