diff --git a/source/docs/casper/developers/writing-onchain-code/index.md b/source/docs/casper/developers/writing-onchain-code/index.md
index bb9576a52b..04157a8e5f 100644
--- a/source/docs/casper/developers/writing-onchain-code/index.md
+++ b/source/docs/casper/developers/writing-onchain-code/index.md
@@ -14,32 +14,38 @@ This section shows you how to write session code and smart contracts in Rust and
 | Title                                       | Description                     |
 | ------------------------------------------- | ------------------------------- |
 |[Getting Started with Rust](./getting-started.md)| An introduction to using Rust with the Casper Platform|
-|[Best Practices for Casper Smart Contract Authors](./best-practices.md)| An outline of best practices when developing smart contracts on a Casper network|
+|[Getting Started with AssemblyScript](./assembly-script.md) | An introduction to using AssemblyScript with the Casper Platform |
 |[Writing a Basic Smart Contract in Rust](./simple-contract.md)   | An example of a smart contract built in Rust|
 |[Unit Testing Smart Contracts](./testing-contracts.md)      | Steps to test contract code using the unit testing framework|
+|[Upgrading and Maintaining Smart Contracts](./upgrading-contracts.md)| An introduction to versioning smart contracts|
+|[Calling Contracts](./calling-contracts.md) |   |
 |[Smart Contracts and Session Code](./contract-vs-session.md)       | Understand what session code is and when you would use it over contract code |
 |[Writing Session Code](./writing-session-code.md)      | An introduction to writing session code|
 |[Unit Testing Session Code](./testing-session-code.md)      | Steps to test session code using the unit testing framework|
+|[Calling Contracts by Contract Hash vs. Package Hash](./contract-hash-vs-package-hash.md)| Advantages and disadvantages of using `contract_hash` vs. `contract_package_hash` when calling a contract|
+|[Best Practices for Casper Smart Contract Authors](./best-practices.md)| An outline of best practices when developing smart contracts on a Casper network|
+
+## Interacting with Contracts on the Blockchain
+
+Additionally, the section on [Interacting with the Blockchain](../cli/index.md) covers installing and calling contracts using the Casper command-line client written in Rust.
+
 |[Installing Smart Contracts and Querying Global State](../cli/installing-contracts.md)| A guide on installing smart contracts and querying global state        |
 |[Calling Smart Contracts with the Rust Client](../cli/calling-contracts.md)| Steps to call a smart contract with the Rust command-line client|
-|[Upgrading and Maintaining Smart Contracts](./upgrading-contracts.md)| An introduction to versioning smart contracts|
 |[Reading and Writing to Dictionaries](../../concepts/dictionaries.md)| Information on Dictionaries and how to read and write to them on the Casper Platform.|
 |[Execution Error Codes](../cli/execution-error-codes.md)|Possible error codes when writing smart contracts.|
-|[Getting Started with AssemblyScript](./assembly-script.md) | An introduction to using AssemblyScript with the Casper Platform |
 
-Additionally, the following tutorials outline some aspects of writing smart contracts on a Casper network.
+## Tutorials
+
+The following tutorials outline some aspects of writing smart contracts on a Casper network.
 
 | Title                                                       | Description                                                      |
 | ----------------------------------------------------------- | ---------------------------------------------------------------- |
 |[Getting Started Video](../../resources/beginner/getting-started-tutorial.md) | Step-by-step video tutorial for setting up the Casper development environment |
-|[NFTs on Casper with the CEP-78 NFT Standard](https://github.com/casper-ecosystem/cep-78-enhanced-nft/blob/dev/README.md) | Implementing the Casper CEP-78 NFT standard     |
-|[A Counter on an NCTL Network](../../resources/beginner/counter/index.md)             | An example contract that maintains a counter variable on a local Casper Network with NCTL     |
 |[A Counter on the Testnet](../../resources/beginner/counter-testnet/index.md)         | An example contract that maintains a counter variable on the Casper Testnet                   |
+|[Smart Contract Upgrades](../../resources/beginner/upgrade-contract.md)               | Learn how to upgrade smart contracts                             |
+|[NFTs on Casper with the CEP-78 NFT Standard](https://github.com/casper-ecosystem/cep-78-enhanced-nft/blob/dev/README.md) | Implementing the Casper CEP-78 NFT standard     |
 |[Fungible Tokens on Casper](https://github.com/casper-ecosystem/cep18/blob/master/docs/full-tutorial.md)              | Implement the Casper Fungible Token standard                         |
 |[Interacting with Runtime Return Values](../../resources/advanced/return-values-tutorial.md)| Learning how to return a value using contract code         |
 |[Working with Authorization Keys](../../resources/advanced/list-auth-keys-tutorial.md)| Retrieving and using the authorization keys associated with a deploy         |
 |[Safely Transfer Tokens to a Contract](../../resources/advanced/transfer-token-to-contract.md) | How to handle tokens via a contract                     |
-|[Smart Contract Upgrades](../../resources/beginner/upgrade-contract.md)               | Learn how to upgrade smart contracts                             |
-|[Interacting with Runtime Return Values](../../resources/advanced/return-values-tutorial.md)| Learning how to return a value using contract code         |
-|[Safely Transfer Tokens to a Contract](../../resources/advanced/transfer-token-to-contract.md) | How to handle tokens via a contract                     |
-|[Smart Contract Upgrades](../../resources/beginner/upgrade-contract.md)               | Learn how to upgrade smart contracts                             |
+