Documentation bug: no keyboard navigation docs for Git window's "Changed files pane"

Steps to reproduce:

1. open https://www.jetbrains.com/help/idea/log-tab.html#BranchesPane

2. search for the Navigation section

3. no results

Expected behavior:

Navigation / Keyboard Shortcuts

To navigate between the various Git window panes, do the following

1. open Git window (e.g., action of Vcs.Show.Log)

2. press Tab to move from the "Branches pane" to the "Commits pane"

3. press Tab again to move to the "Changed files pane" press the Down arrow if the cursor is not visible