Add comments for the last 2 undocumented methods.
Add comments for the last 2 undocumented methods.

Yard doesn't actually show these comments (see https://github.com/lsegal/yard/issues/428), but I want to ensure I keep up documentation coverage, and getting to 100% and making it part of the build is a nice step towards that.
myronmarston/vcr,irfanah/vcr,davidbebb/vcr,myronmarston/vcr,asymmetric/vcr,asymmetric/vcr,intfrr/vcr,Shopify/vcr,mcfiredrill/vcr,cemo/vcr,nishanbose/vcr,irfanah/vcr,chriswoodrich/vcr,nishanbose/vcr,ZmagoD/vcr,Shopify/vcr,chriswoodrich/vcr,mcfiredrill/vcr,allyapp/vcr,ihassin/vcr,davidbebb/vcr,allyapp/vcr,intfrr/vcr,cemo/vcr,ihassin/vcr,ZmagoD/vcr