diff --git a/src/i18n/locales/en/translations.json b/src/i18n/locales/en/translations.json
index 994f3e76..79d4a0e8 100644
--- a/src/i18n/locales/en/translations.json
+++ b/src/i18n/locales/en/translations.json
@@ -112,6 +112,7 @@
     "display_name": "Display Name",
     "concept_class": "Class",
     "datatype": "Datatype",
+    "datatypes": "Datatypes",
     "history": "History and comments",
     "name_and_synonyms": "Name and synonyms",
     "descriptions": "Descriptions",
@@ -150,7 +151,7 @@
     "type": "Type",
     "map_types": "Map Types",
     "from_concept_sources": "From Concept Sources",
-    "to_concept_sources": "To Concept Sources",
+    "to_concept_sources": "Target Concept Sources",
     "relationship": "Relationship",
     "code": "Code",
     "inverse_mappings": "Inverse Mappings",