diff --git a/scripts/developer_scripts/get_population_weights b/scripts/developer_scripts/get_population_weights
index 209aeacad..310f35993 100755
--- a/scripts/developer_scripts/get_population_weights
+++ b/scripts/developer_scripts/get_population_weights
@@ -28,6 +28,9 @@ def export_world_factbook(output):
     df = df.set_index('country')
 
     # Rename countries to match values in metadata
+    # NOTE: This has only been checked for countries in Asia. If population
+    # weights are used for other regions, it's likely that this will need to be
+    # updated.
     country_name_map = {
         "Korea, South": "South Korea",
         "Macau": "Macao",