Update docs/explanations/curator_data_model.md

Co-authored-by: Copilot <[email protected]>

Author: andrewelamb

docs/explanations/curator_data_model.md

@@ -122,7 +122,7 @@ JSON Schema output:
       "description": "TBD",
       "title": "Gender",
     },
-    "Gender": {
+    "Age": {
       "description": "TBD",
       "title": "Age"
     }