GITBOOK-352: change request with no subject merged in GitBook

SUMMARY.md

@@ -12,7 +12,7 @@
   * [Glossary](discover/glossary.md)
   * [FAQ](discover/faq.md)
 * [📚 User Guides](user-guides/README.md)
-  * [Publish an NFT](user-guides/marketplace-publish-data-asset.md)
+  * [Publish Data NFTs](user-guides/marketplace-publish-data-asset.md)
   * [Buy NFT Data](user-guides/marketplace-download-data-asset.md)
   * [Sell NFT Computations (Compute-to-Data)](user-guides/compute-to-data/README.md)
     * [Make a Boss C2D Algorithm](user-guides/compute-to-data/make-a-boss-c2d-algorithm.md)
@@ -22,7 +22,10 @@
     * [Arweave](user-guides/asset-hosting/arweave.md)
     * [AWS](user-guides/asset-hosting/aws.md)
     * [Azure Cloud](user-guides/asset-hosting/azure-cloud.md)
-  * [Guide to Ocean Market](user-guides/using-ocean-market.md)
+  * [What is the Ocean Market?](user-guides/using-ocean-market.md)
+  * [Data Challenges](user-guides/data-challenges.md)
+  * [Participating in a data challenge](user-guides/participating-in-a-data-challenge.md)
+  * [Hosting a data challenge](user-guides/hosting-a-data-challenge.md)
   * [Get Started Data Farming](user-guides/get-veocean-tokens.md)
   * [Harvest More Yield Data Farming](user-guides/how-to-data-farm.md)
   * [Claim Rewards Data Farming](user-guides/claim-ocean-rewards.md)
@@ -87,9 +90,6 @@
     * [Compute Endpoints](developers/provider/compute-endpoints.md)
     * [Authentication Endpoints](developers/provider/authentication-endpoints.md)
 * [📊 Data Science](data-science/README.md)
-  * [Data Challenges](data-science/data-challenges/README.md)
-    * [Participating in a data challenge](data-science/data-challenges/participating-in-a-data-challenge.md)
-    * [Hosting a data challenge](data-science/data-challenges/hosting-a-data-challenge.md)
   * [How to contribute](data-science/how-to-contribute/README.md)
     * [Data Engineers](data-science/how-to-contribute/data-engineers.md)
     * [Data Scientists](data-science/how-to-contribute/data-scientists.md)