diff --git a/README.md b/README.md
index fc253e1..7778abd 100644
--- a/README.md
+++ b/README.md
@@ -63,7 +63,7 @@ python las_outputs.py param-files/survey-1*.yaml param-files/survey-2*.yaml
 Example usage:
 
 ```
-C:\Python27\ArcGIS10.4\python generate_heatmaps.py param-files\survey-2*.yaml
+C:\Python27\ArcGIS10.5\python generate_heatmaps.py param-files\survey-2*.yaml
 
 ```