Fix docs headers relates to complex type examples

SUMMARY.md

@@ -66,7 +66,7 @@
     * [Google Cloud Storage](basics/data-import/pinot-file-system/import-from-gcp.md)
   * [Input formats](basics/data-import/pinot-input-formats.md)
     * [Complex Type (Array, Map) Handling](basics/data-import/complex-type.md)
-    * [Unnest JSON Array](basics/data-import/complex-type-examples.md)
+    * [Complex Type Examples](basics/data-import/complex-type-examples.md)
     * [Ingest records with dynamic schemas](basics/data-import/schema-conforming-transformer.md)
   * [Reload a table segment](basics/data-import/segment-reload.md)
   * [Upload a table segment](basics/data-import/segment-upload.md)

basics/data-import/README.md

@@ -86,8 +86,8 @@ This guide shows you how to handle the complex type in the ingested data, such a
 
 This guide shows additional examples on how to work with complex types.
 
-{% content-ref url="unnest-json-array.md" %}
-[unnest-json-array.md](complex-type-examples.md)
+{% content-ref url="complex-type-examples.md" %}
+[complex-type-examples.md](complex-type-examples.md)
 {% endcontent-ref %}
 
 This guide shows you how to handle records with dynamic schemas, like JSON log events.

basics/data-import/complex-type-examples.md

@@ -2,6 +2,8 @@
 description: Additional examples that demonstrate handling of complex types.
 ---
 
+Additional examples that demonstrate handling of complex types.
+
 # Unnest Root Level Collection
 In this example, we would look at un-nesting json records that are batched together as part of a single key at the root 
 level. We will make use of the [ComplexType](complex-type.md) configs to persist the individual student records as