UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3466.0 Safari/537.36

Steps to reproduce the problem:
1. network panel
2. enable large request rows
3. look at time column

What is the expected behavior?
Clearly labeled explanation of the bottom value.

What went wrong?
No explanation. Apparently it's "latency"... response received time - start time.

Add a tooltip?

Did this work before? No 

Chrome version: 69.0.3466.0  Channel: n/a
OS Version: OS X 10.13.3
Flash Version: 

This is a feature request.