yes, bought on ba.com

The first leg clearly mentions 2 bags, the second leg clearly mentions 1 bag.

There is no nice copy paste, but here is the info of the second leg:

Flight 2: BA6497 Status: Confirmed
Economy WestJet
Toronto Terminal 3 Halifax
19:30 (local time) - 22:31 (local time)
Online checkin not available
Self-service checkin not available
Detailed information not available for this flight number
Free baggage allowance
à Checked baggage per passenger
Adults and children: 1 bag (weight restrictions apply)