diff --git a/datapackage.json b/datapackage.json
index 344c29d..8bc9220 100644
--- a/datapackage.json
+++ b/datapackage.json
@@ -75,7 +75,8 @@
             "description": "GDP in current USD trillions"
           }
         ]
-      }
+      },
+      "description": "Annual GDP in current USD trillions for the world's 10 largest economies since 2000, derived from World Bank data."
     },
     {
       "name": "gdp",
@@ -100,7 +101,8 @@
             "type": "number"
           }
         ]
-      }
+      },
+      "description": "Annual GDP in current US dollars for countries, regions, and the world since 1960, sourced from the World Bank."
     }
   ],
   "sources": [
@@ -113,4 +115,4 @@
   "title": "Country, Regional and World GDP (Gross Domestic Product)",
   "version": "2026",
   "collection": "economic-data"
-}
\ No newline at end of file
+}