diff --git a/pybitblock/SPV/spvblock.py b/pybitblock/SPV/spvblock.py
index 4d2dc75..3e773fc 100644
--- a/pybitblock/SPV/spvblock.py
+++ b/pybitblock/SPV/spvblock.py
@@ -2276,7 +2276,7 @@ def mempoolmenu():
         cert_path = lndconnectload["tls"]
         macaroon = codecs.encode(open(lndconnectload["macaroon"], 'rb').read(), 'hex')
         headers = {'Grpc-Metadata-macaroon': macaroon}
-        url = 'https://{}/v1/getinfo'.format(lndconnectload["ip_port"])
+        url = f'https://{lndconnectload["ip_port"]}/v1/getinfo'
         r = requests.get(url, headers=headers, verify=cert_path)
         alias = r.json()
     print("""\t\t
@@ -2309,7 +2309,7 @@ def mempoolmenuOnchainONLY():
         cert_path = lndconnectload["tls"]
         macaroon = codecs.encode(open(lndconnectload["macaroon"], 'rb').read(), 'hex')
         headers = {'Grpc-Metadata-macaroon': macaroon}
-        url = 'https://{}/v1/getinfo'.format(lndconnectload["ip_port"])
+        url = f'https://{lndconnectload["ip_port"]}/v1/getinfo'
         r = requests.get(url, headers=headers, verify=cert_path)
         alias = r.json()
     print("""\t\t