Update code-library.mdx (#1867)

Author: GigaHierz

docs/build/build-on-minipay/code-library.mdx

@@ -271,6 +271,8 @@ let transactionFeesInCUSD = formatEther(gasLimit * hexToBigInt(gasPrice));
 
 ### Resolve Minipay phone numbers to Addresses
 
+This code snippet is meant for MiniPay developer, having access to the MiniPay Registry. An example for builders will be added soon. 
+
   <Tabs>
 
       <TabItem value="index.js" label="index.js">