Tutorial.md

@@ -96,7 +96,7 @@ Let's create a JSON for a table_test:
 {
   "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": []
 }
 ~~~