diff --git a/ui/components/ui/typography/typography.js b/ui/components/ui/typography/typography.js
index 33af8d664..8c9e4e272 100644
--- a/ui/components/ui/typography/typography.js
+++ b/ui/components/ui/typography/typography.js
@@ -86,5 +86,6 @@ Typography.propTypes = {
     'div',
     'dt',
     'dd',
+    'ul',
   ]),
 };
diff --git a/ui/pages/swaps/slippage-buttons/slippage-buttons.js b/ui/pages/swaps/slippage-buttons/slippage-buttons.js
index c2b3986f1..d542f2299 100644
--- a/ui/pages/swaps/slippage-buttons/slippage-buttons.js
+++ b/ui/pages/swaps/slippage-buttons/slippage-buttons.js
@@ -238,7 +238,7 @@ SlippageButtons.propTypes = {
   maxAllowedSlippage: PropTypes.number.isRequired,
   currentSlippage: PropTypes.number,
   smartTransactionsEnabled: PropTypes.bool.isRequired,
-  smartTransactionsOptInStatus: PropTypes.object,
+  smartTransactionsOptInStatus: PropTypes.bool,
   setSmartTransactionsOptInStatus: PropTypes.func,
   currentSmartTransactionsError: PropTypes.string,
 };