diff --git a/README.md b/README.md
index 75831e5..cb17e88 100644
--- a/README.md
+++ b/README.md
@@ -24,6 +24,8 @@ This `process.js` file syncs any changes from the csv files into the topojson at
 
 ## Updating the topojson
 
+**NOTE**: If you update the topojson file and push, the server webhook will fail because there will be local changes. TODO: some way to fix this.
+
 ### 1. Update boundaries
 
 This could be a bit of faffing around, depending what you are trying to do. Merging existing entities together is reasonably easy, but if you need to pull a council area out of a regional library, for example, you might need to mess around with LGA maps.