The prior art on other options in the same document seemed to be
calling out the default in a pre-formatted block after describing the
possible values.
I believe the default value for the option was first changed [1], then
the docs were fixed [2], then the information was unintentionally
dropped from the docs [3].
1. Related-Change: If0e0b818355e4cb1338f7fa72af5e81e24361574
2. Related-Change: Ib6603b4f6ea0b4079f9a4ea46e723ecbb2ea371d
3. Related-Change: Iddd27cb54f1d9f062b9c47ff9ad6a2bef3650d6b
Change-Id: I662403db3b08a351a680587440ad1f15a6f8ee5d