# Typos in OstiumLinkUpKeep Low/Info · Three Sigma · RWA perpetuals DEX · 19th February, 2024 Finding 3S-OS-N25 of the Ostium security review. - Protocol: https://www.ostium.com/ - Report: /reports/ostium - Source: https://cdn.sanity.io/files/qoqld077/production/a95b9c69e0f65d1d6b0e649f0d62a362358ca8ce.pdf --- ### Description [OstiumLinkUpKeep](https://github.com/0xOstium/smart-contracts-threeSigma/blob/dev/src/OstiumLinkUpKeep.sol) has typos in errors WhatchlistEmpty , HasWhatchlist and NoWhatchlist. ### Status Addressed in [#119db4a](https://github.com/0xOstium/smart-contracts-threeSigma/pull/58/commits/119db4aa96d409697619597340f3b3b26be89f17).