--- Revision 306563623763
+++ Revision 636532383338
@@ -15,7 +15,7 @@
 ... will monitor http response times to http://192.168.0.10/
 
 If you wish to monitor the http response time to a particular page, use the
-/etc/munin/plugin-conf.d/munin-node configuration file and add the following 
+/etc/munin/plugin-conf.d/munin-node CONFIGuration file and add the following 
 section:
 
 [response_time_http*]
@@ -34,7 +34,7 @@
 from timeit import Timer
 
 
-usage = """\
+USAGE = """\
 To use this plugin, you must create a symbolic link to it,
 with the ip address or fqdn of the web server to monitor.
 
@@ -43,7 +43,7 @@
 ln -s /usr/share/node/node/plugins-auto/response_time_http_ \
 /etc/munin/node.d/response_time_http_192.168.0.10"""
 
-config = """\
+CONFIG = """\
 graph_title HTTP GET response time for %s
 graph_vlabel seconds
 ping_http.label response time
@@ -65,15 +65,16 @@
     address = os.path.basename(argv[0]).replace('response_time_http_', '')
 
     if not address:
-        print(usage)
+        print(USAGE)
         return 1
 
     if 'config' in sys.argv:
-        print(config % address)
+        print(CONFIG % address)
     else:
         runs = 10
         if 'runs' in os.environ:
-            pings = os.environ['runs']
+            runs = os.environ['runs']
+        runs = int(runs)
 
         timeout = 5
         if 'timeout' in os.environ: