diff --git a/source_strings.yaml b/source_strings.yaml
index d917fb38..15bec854 100644
--- a/source_strings.yaml
+++ b/source_strings.yaml
@@ -3251,6 +3251,15 @@ en:
       map_type:
         # map_type=*
         label: Type
+        options:
+          # map_type=scheme
+          scheme: Schematic Map
+          # map_type=street
+          street: Road Map
+          # map_type=topo
+          topo: Topographical Map
+          # map_type=toposcope
+          toposcope: Toposcope
       mapillary:
         # mapillary=*
         label: Mapillary Image ID