fix broken links (#1343)

fix broken links in docs

Author: oveddan

docs/pages/coins/contracts/creating-a-coin.mdx

@@ -214,7 +214,7 @@ After successful deployment, the coin will:
 - Be ready for trading immediately
 - Begin [distributing rewards on trades automatically](/coins/contracts/rewards)
 
-Learn more about [managing coins](/coins/contracts#managing-coins) after deployment.
+Learn more about [managing coins](/coins/sdk/update-coin) after deployment.
 
 ## Events
 

docs/pages/coins/contracts/metadata.mdx

@@ -4,7 +4,7 @@ Coins follow the [EIP-7572](https://eips.ethereum.org/EIPS/eip-7572) standard fo
 
 This is based off of the `EIP721` and `EIP1155` metadata standards.
 
-The metadata URI is specified during [coin deployment](/coins/contracts/creating-a-coin#required-parameters) and can be [updated by coin owners](/coins/contracts#update-metadata) after deployment.
+The metadata URI is specified during [coin deployment](/coins/contracts/creating-a-coin#required-parameters) and can be [updated by coin owners](/coins/sdk/update-coin) after deployment.
 
 We have a guide below for recommended format along with ZORA extensions and validator tools:
 

docs/pages/coins/sdk/create-coin.mdx

@@ -101,7 +101,7 @@ The `chainId` parameter defaults to Base mainnet. Make sure it matches the chain
 
 ### More Information
 
-Further contract details can be found in the [Creating a Coin](/coins/contracts/creating-a-coin) section and the [Contracts Overview](/coins/contracts) section.
+Further contract details can be found in the [Creating a Coin](/coins/contracts/creating-a-coin) section and the [Contract Architecture](/coins/contracts/architecture) section.
 
 
 ## Usage