diff --git a/docs/pages/guides/extending-a-world.mdx b/docs/pages/guides/extending-a-world.mdx
index 3dcfbc08a2..6369f9ef67 100644
--- a/docs/pages/guides/extending-a-world.mdx
+++ b/docs/pages/guides/extending-a-world.mdx
@@ -187,7 +187,7 @@ The easiest way to create the Solidity code is to use the MUD template:
    import { console } from "forge-std/console.sol";
    import { IBaseWorld } from "@latticexyz/world-modules/src/interfaces/IBaseWorld.sol";
 
-   import { WorldRegistrationSystem } from "@latticexyz/world/src/modules/core/implementations/WorldRegistrationSystem.sol";
+   import { WorldRegistrationSystem } from "@latticexyz/world/src/modules/init/implementations/WorldRegistrationSystem.sol";
 
    // Create resource identifiers (for the namespace and system)
    import { ResourceId } from "@latticexyz/store/src/ResourceId.sol";
@@ -253,10 +253,10 @@ The easiest way to create the Solidity code is to use the MUD template:
    Use [IBaseWorld.sol](https://github.com/latticexyz/mud/blob/main/packages/world-modules/src/interfaces/IBaseWorld.sol) to get definitions that are common to all `World` contracts.
 
    ```solidity
-   import { WorldRegistrationSystem } from "@latticexyz/world/src/modules/core/implementations/WorldRegistrationSystem.sol";
+   import { WorldRegistrationSystem } from "@latticexyz/world/src/modules/init/implementations/WorldRegistrationSystem.sol";
    ```
 
-   [WorldRegistartionSystem.sol](https://github.com/latticexyz/mud/blob/main/packages/world/src/modules/core/implementations/WorldRegistrationSystem.sol) contains the function definitions necessary to register new namespaces and systems with an existing `World`.
+   [WorldRegistartionSystem.sol](https://github.com/latticexyz/mud/blob/main/packages/world/src/modules/init/implementations/WorldRegistrationSystem.sol) contains the function definitions necessary to register new namespaces and systems with an existing `World`.
 
    ```solidity
    // Create resource identifiers (for the namespace and system)
@@ -352,7 +352,7 @@ The easiest way to create the Solidity code is to use the MUD template:
            world.registerNamespace(namespaceResource);
    ```
 
-   [Register the namespace](https://github.com/latticexyz/mud/blob/main/packages/world/src/modules/core/implementations/WorldRegistrationSystem.sol#L39-L63).
+   [Register the namespace](https://github.com/latticexyz/mud/blob/main/packages/world/src/modules/init/implementations/WorldRegistrationSystem.sol#L39-L63).
 
    ```solidity
            StoreSwitch.setStoreAddress(worldAddress);
@@ -404,7 +404,7 @@ The easiest way to create the Solidity code is to use the MUD template:
    cast send $WORLD_ADDRESS --rpc-url http://localhost:8545 --private-key $PRIVATE_KEY "messaging__incrementMessage(string)" "hello"
    ```
 
-   When a function is _not_ in the root namespace, it is accessible as `<namespace>__<function name>` (as long as it is [registered](https://github.com/latticexyz/mud/blob/main/packages/world/src/modules/core/implementations/WorldRegistrationSystem.sol#L164-L201)).
+   When a function is _not_ in the root namespace, it is accessible as `<namespace>__<function name>` (as long as it is [registered](https://github.com/latticexyz/mud/blob/main/packages/world/src/modules/init/implementations/WorldRegistrationSystem.sol#L164-L201)).
 
    Here we call our `incrementMessage(string)` with the parameter `hello`.