Thanks for the patch! This does look like a documentation bug indeed.
I have a few comments: 1/ Remove this as "(50% of the maximum, which is about 20GB)," [1] tried to avoid explaining this level of detail, and I agree with that. 2/ c/"about 10GB"/"10GB" the "about" does not seem necessary here. [1] https://www.postgresql.org/message-id/flat/162395467510.686.11947486273299446208%40wrigleys.postgresql.org Regards Sami Amazon Web Services (AWS)