diff --git a/interim/source_strings.yaml b/interim/source_strings.yaml
index ef1e200d..e9416b29 100644
--- a/interim/source_strings.yaml
+++ b/interim/source_strings.yaml
@@ -442,6 +442,11 @@ en:
       building/part:
         # building:part=*
         label: Building Part
+      building/prefabricated:
+        # building:prefabricated=*
+        label: Prefabricated
+        # 'terms: manufactured,modular,portable'
+        terms: '[translate with synonyms or related terms for ''Prefabricated'', separated by commas]'
       building_area:
         # building=*
         label: Building