Table-Definitions.md

@@ -47,7 +47,7 @@ example_table_definition.json and shown bellow.
 {
   "pairing_description": "Table with the graduation rates, which represent a percentage of students expected to graduate, used to learn the HOTMapper Tool",
   "data_source": "Open data made by Sustainable Development Solutions Network",
-  "pk": ["cod_country", "year", "gender", "isced"],
+  "pk": ["cod_country", "year", "cod_sex", "isced"],
   "foreign_keys": []
 }
 ~~~
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