fix the broken link (#603)

Author: rtomas

.cspell.json

@@ -39,7 +39,7 @@
       "nosocial", "bitget", "leather", "binance", "uniswap", "safepal", "bybit", "phantom", "ledger", "timeless-x", "safe", "zerion", "oneinch", "crypto-com", "imtoken", "kraken", "ronin", "robinhood", "exodus", "argent", "tokenpocket", "Contractaddress", 
       "executionreverted", "FATF", "VASP", "LLMSTXT", "Frontmatter", "CASP", "DKMS", "hydradx", "phala", "astar", "mangata", "polkadotjs", "Dogecoin", "Blockbook", "vuejs", "xsmall", "rgba", "mintlify", "filteredwallets",
       "tnum","minmax","toolkits", "autoplay", "Litoshi", "Litoshis", "encryptor's", "Everscale", "Bitcore", "satoshis", "Parachain", "Bitcore", "walletlist", "Userflow", "retryable", "USDS", "Arbitrum", "Wolfswap", "Halborn", "Pentest", "Spearbit", "valtio",
-      "reshare", "microstacks", "Prebuild"
+      "reshare", "microstacks", "Prebuild", "APKT", "offchain"
     ]
   }
 

advanced/api/sign/dapp-usage.mdx

@@ -209,7 +209,7 @@ const result = await signClient.request({
 });
 ```
 
-> For more information on available JSON-RPC requests, see the [JSON-RPC reference](../../advanced/multichain/rpc-reference/ethereum-rpc.md).
+> For more information on available JSON-RPC requests, see the [JSON-RPC reference](/advanced/multichain/rpc-reference/ethereum-rpc).
 
 ### Restoring a Session