Fix typo in 'Custom Virtual Machine' documentation (#1968)

Co-authored-by: aapsi <[email protected]>

Author: aapsi

content/docs/avalanche-l1s/deploy-a-avalanche-l1/custom-virtual-machine.mdx

@@ -104,7 +104,7 @@ timestamp when you create your genesis file.
 Create the Avalanche L1 Configuration[​](#create-the-avalanche-l1-configuration "Direct link to heading")
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-Now that you have your binary, it's time to create the Avalanche L1 configuration. This tutorial uses `myblockchain` as it Avalanche L1 name. Invoke the Avalanche L1 Creation Wizard with this command:
+Now that you have your binary, it's time to create the Avalanche L1 configuration. This tutorial uses `myblockchain` as it's Avalanche L1 name. Invoke the Avalanche L1 Creation Wizard with this command:
 
 ```bash
 avalanche blockchain create myblockchain