diff --git a/README.md b/README.md
index e72d031..4a488db 100644
--- a/README.md
+++ b/README.md
@@ -31,4 +31,4 @@ with web visualization ...
 
 NOTE: You can use http://www.gpsvisualizer.com/convert_input to convert directions from google
 maps to GPX (just copy the URL from google maps to the 'Or provide the URL of a file on the Web: '
-field in gpsvisualizer converter).
+field in gpsvisualizer converter). Alternatively, simply export GPX from http://map.project-osrm.org/ .
diff --git a/helper_scripts/run_sim.py b/helper_scripts/run_sim.py
index cce2e36..7b57a0d 100755
--- a/helper_scripts/run_sim.py
+++ b/helper_scripts/run_sim.py
@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 
 # GPX from google maps route: http://www.gpsvisualizer.com/convert_input
+# Or export directly from http://map.project-osrm.org
 
 ### stdlib packages
 import os
@@ -23,7 +24,7 @@
 ###
 
 INDEX = "/whereami/whereami.html"
-UPDATE_INTERVAL = 0.1
+UPDATE_INTERVAL = 0.3
 
 curr_lat = 48.7833  # updated by main thread, read by http and geofix threads
 curr_lon = 9.1833   # updated by main thread, read by http and geofix threads