Called Vanguard. Their automated system is a nightmare since it desperately tries to make you enter your account number, which of course I don't have. After finally convincing the system to connect me to an agent, the wait time was 1.5 hours. Thankfully, they have an automated callback feature. When I finally did get a call back 2 hours later, I had to talk to four people - none of whom had ever heard of the https://personal.vanguard.com/pdf/INBST_01_2022.pdf document - before getting confirmation that the last column in the table on page 2 ("Tax-Exempt Bond Index Fund") is the one corresponding to the VTEB ETF I own. Sheesh...
