diff --git a/schemas/2018-06-01/Microsoft.DataFactory.json b/schemas/2018-06-01/Microsoft.DataFactory.json
index b038afb2ff..e42f195e09 100644
--- a/schemas/2018-06-01/Microsoft.DataFactory.json
+++ b/schemas/2018-06-01/Microsoft.DataFactory.json
@@ -21068,7 +21068,7 @@
         "outputColumns": {
           "type": "object",
           "properties": {},
-          "description": "The columns to be read out from the Office 365 table. Type: array of objects (or Expression with resultType array of objects). Example: [ { \"name\": \"Id\" }, { \"name\": \"CreatedDateTime\" } ]"
+          "description": "The columns to be read out from the Office 365 table. Type: array of objects (or Expression with resultType array of objects). itemType: OutputColumn. Example: [ { \"name\": \"Id\" }, { \"name\": \"CreatedDateTime\" } ]"
         },
         "startTime": {
           "type": "object",