fix typos

Author: t3chguy

src/components/views/messages/ReactionsRowButton.tsx

@@ -33,7 +33,7 @@ interface IProps {
     content: string;
     // The count of votes for this key
     count: number;
-    // A Set of Martix reaction events for this key
+    // A Set of Matrix reaction events for this key
     reactionEvents: Set<MatrixEvent>;
     // A possible Matrix event if the current user has voted for this type
     myReactionEvent?: MatrixEvent;

src/components/views/messages/ReactionsRowButtonTooltip.tsx

@@ -29,7 +29,7 @@ interface IProps {
     mxEvent: MatrixEvent;
     // The reaction content / key / emoji
     content: string;
-    // A Set of Martix reaction events for this key
+    // A Set of Matrix reaction events for this key
     reactionEvents: Set<MatrixEvent>;
     visible: boolean;
 }