fixing redirect

Author: djpmsft

articles/data-factory/TOC.yml

@@ -164,8 +164,6 @@
         href: concepts-data-flow-overview.md
       - name: Debug mode
         href: concepts-data-flow-debug-mode.md
-      - name: JSON handling
-        href: concepts-data-flow-json.md
       - name: Schema drift
         href: concepts-data-flow-schema-drift.md
       - name: Column patterns

articles/data-factory/concepts-data-flow-json.md

@@ -29,7 +29,7 @@ The columns you're modifying and adding to your schema are listed in the Output
 
 ![Add subcolumn](media/data-flow/addsubcolumn.png "Add Subcolumn")
 
-For more information on handling complex types in data flow, see [JSON handling in mapping data flow](concepts-data-flow-json.md)
+For more information on handling complex types in data flow, see [JSON handling in mapping data flow](format-json.md#mapping-data-flow-properties)
 
 ![Add complex column](media/data-flow/complexcolumn.png "Add columns")