README.md

@@ -33,7 +33,7 @@ power-of-2 histogram of the I/O size. For efficiency, only the histogram
 summary is returned to user-level.
 
 ```Shell
-# ./examples/bitehist.py
+# php ./examples/tracing/bitehist.php
 Tracing... Hit Ctrl-C to end.
 ^C
      kbytes          : count     distribution