diff --git a/interim/source_strings.yaml b/interim/source_strings.yaml
index 000da931..a07248e2 100644
--- a/interim/source_strings.yaml
+++ b/interim/source_strings.yaml
@@ -4196,6 +4196,7 @@ en:
       ref/isil:
         # ref:isil=*
         label: ISIL Code
+        terms: '[translate with synonyms or related terms for ''ISIL Code'', separated by commas]'
       ref/linz/place_id-NZ:
         # ref:linz:place_id=* | Local preset for countries "NZ", "AQ"
         label: NZGB Place ID
@@ -6800,6 +6801,11 @@ en:
         name: Library
         # 'terms: book'
         terms: <translate with synonyms or related terms for 'Library', separated by commas>
+      amenity/library_dropoff:
+        # amenity=library_dropoff | Translate the primary name. Optionally, add equivalent synonyms on newlines in order of preference (press the Return key).
+        name: Book Return Drop Box
+        # 'terms: book drop-off,book return,library drop-off,library book return,library return'
+        terms: <translate with synonyms or related terms for 'Book Return Drop Box', separated by commas>
       amenity/loading_dock:
         # amenity=loading_dock | Translate the primary name. Optionally, add equivalent synonyms on newlines in order of preference (press the Return key).
         name: Loading Dock