diff --git a/webpagetest/README.md b/webpagetest/README.md
new file mode 100644
index 0000000..149f7be
--- /dev/null
+++ b/webpagetest/README.md
@@ -0,0 +1,8 @@
+	Usage: wpt_csv_filter.py [options]
+
+	Options:
+	  -h, --help            show this help message and exit
+	  -f FILE, --file=FILE  wpt csv input file
+	  -b BUGS, --bugs=BUGS  ghostery (formated) bugs input file
+	  -k, --keep            keeps the non bugs html element
+	  -s, --stats           prints basic stats
\ No newline at end of file
diff --git a/webpagetest/wpt_csv_filter.py b/webpagetest/wpt_csv_filter.py
old mode 100644
new mode 100755
index b43232d..3fc9d34
--- a/webpagetest/wpt_csv_filter.py
+++ b/webpagetest/wpt_csv_filter.py
@@ -1,3 +1,5 @@
+#!/usr/bin/python2.7
+
 import sys, csv, json, os
 from optparse import OptionParser