update wording

static/i18n/en/app.json

@@ -167,7 +167,7 @@
     "coinmama": "Coinmama is a financial service that makes it fast, safe and fun to buy digital assets, anywhere in the world.",
     "simplex": "Simplex is a EU licensed financial institution, providing a fraudless credit card payment solution.",
     "paybis": "it is safe and easy to Buy Bitcoin with credit card from PayBis. Service operates in US, Canada, Germany, Russia and Saudi Arabia.",
-    "luno": "Luno makes it safe and easy to buy, store and learn about digital currencies like Bitcoin and Ethreum",
+    "luno": "Luno makes it safe and easy to buy, store and learn about cryptocurrencies like Bitcoin and Ethereum",
     "shapeshift": "ShapeShift is an online marketplace where users can buy and sell digital assets. It is a fast and secure way for the world to buy and sell digital assets, with no lengthy signup process, no counterparty risk, and no friction.",
     "genesis": "Genesis is an institutional trading firm offering liquidity and borrow for digital currencies, including bitcoin, bitcoin cash, ethereum, ethereum classic, litecoin, and XRP."
   },