Update note to info box

Author: rchinn1

src/connections/spec/common.md

@@ -286,4 +286,5 @@ If you are using the Segment server Source libraries, or passing calls directly
 
 Segment calculates `timestamp` as `timestamp = receivedAt - (sentAt - originalTimeStamp)`.
 
-**Note:** For client-side tracking it's possible for the client to spoof the `originalTimeStamp`, which may result in a calcualted `timestamp` value set in the future.
+> info ""
+> For client-side tracking it's possible for the client to spoof the `originalTimeStamp`, which may result in a calcualted `timestamp` value set in the future.