diff --git a/config/schema.yaml b/config/schema.yaml
index dfda6ba8..59a7663a 100644
--- a/config/schema.yaml
+++ b/config/schema.yaml
@@ -699,7 +699,9 @@ properties:
                         type: string
                         description: Region code
     shapes:
-        description: Source for geospatial shapes of all locations. The config must be consistent with data from https://doi.org/10.5281/zenodo.3244985.
+        description: >-
+            Source for the lowest-level spatial units of all locations. 
+            The config must be consistent with data from https://doi.org/10.5281/zenodo.3244985.
         # TODO: replace zenodo link with Bryn's new one, which includes the potentials for ehighways
         type: object
         propertyNames: