n 4.20 we are unifying the Software Catalog and Operator hub.
https://docs.google.com/presentation/d/1Ts1k6Vz3M_Jt_dquvq2LEBv7RGT9CW5Hb0_rFFPF5OM/edit?slide=id.g33fc56ded96_0_0#slide=id.g33fc56ded96_0_0

 
Ali's suggestion:

t should be one line change in your doc -  That tells user to start with Software catalog instead of Operator Hub, everything else stays the same