bug: small top/bottom/left/right (C-y, C-e, zh and zl) screen scrolling map is missing from the description

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Neovim version (nvim -v)

0.9.1

Operating system/version

Ubuntu 18

Describe the bug

Which key maps all of them, except the small scrolling ones without moving the cursor (C-y, C-e, zh and zl). Reference to the missing keymap: https://stackoverflow.com/a/60607822/2968864 (the rest ones do exist already)=

Steps To Reproduce

Press the keys

Expected Behavior

Adding these built-in keys to the popup menu

Repro

No response

folke / which-key.nvim

bug: small top/bottom/left/right (C-y, C-e, zh and zl) screen scrolling map is missing from the description #538