Update index.mdx with new gateway link (#206)

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src/content/docs/Platform/Gateways/index.mdx

@@ -20,7 +20,7 @@ Fleek enables you to use IPFS private gateway services to serve your content to
 
 :::info
 
-whatever you upload is accessible though flk-ipfs.io our public, globally distributed gateway, if you want better performance create a private gateway.
+Whatever you upload is accessible though flk-ipfs.xyz, our public, globally distributed gateway. If you need even better performance, you can use Fleek to create a private gateway.
 
 :::