Document that a command's own key withholds the show key

Missed when the check learned about them. Also hyphenate 'comma-separated'.

README.md

@@ -108,8 +108,8 @@ Commands
   `:Rg`, `:Ag`, `:Grep`, `:Lines`, `:BLines`, `:Tags`, `:BTags`, `:Marks`,
   `:Changes`). Requires fzf 0.74.4 or later, and is not offered in fullscreen
   mode, with a layout that leaves no other window (`enew`, `tabnew`), on
-  Windows, or when the key is already used by `g:fzf_vim.paste_key` or
-  `g:fzf_action`
+  Windows, or when the key is already used by `g:fzf_vim.paste_key`,
+  `g:fzf_action`, or the command itself, as `CTRL-ALT-X` is in `:Buffers`
 - Bang-versions of the commands (e.g. `Ag!`) will open fzf in fullscreen
 - You can set `g:fzf_vim.command_prefix` to give the same prefix to the commands
     - e.g. `let g:fzf_vim.command_prefix = 'Fzf'` and you have `FzfFiles`, etc.
@@ -188,7 +188,7 @@ was started from and leaves fzf open, so you can look through several entries
 in one run (see the command list above). It is labelled `Show` in the footer
 to set it apart from `Enter`, which opens the entry and closes fzf. Customize
 it with `g:fzf_vim.show_key`, or set it to an empty string to turn the key
-off. A comma separated list binds every key in it. It takes the key over from
+off. A comma-separated list binds every key in it. It takes the key over from
 `$FZF_DEFAULT_OPTS`, so pick another key or turn it off to keep a binding of
 your own.
 

autoload/fzf/vim.vim

@@ -442,7 +442,7 @@ function! s:show_key()
   return s:conf('show_key', 'ctrl-o')
 endfunction
 
-" A key can be a comma separated list, which fzf binds to every key in it.
+" A key can be a comma-separated list, which fzf binds to every key in it.
 " fzf escapes 'alt-,' before splitting on the comma, so do the same. It also
 " lowercases a key name before matching it, except for 'alt-X' and a bare
 " character, where it takes the rune as typed, so fold the same ones here and

doc/fzf-vim.txt

@@ -161,7 +161,8 @@ COMMANDS                                                      *fzf-vim-commands*
    Grep, Lines, BLines, Tags, BTags, Marks, Changes). Requires fzf 0.74.4 or
    later, and is not offered in fullscreen mode, with a layout that leaves no
    other window (enew, tabnew), on Windows, or when the key is already used
-   by g:fzf_vim.paste_key or g:fzf_action
+   by g:fzf_vim.paste_key, g:fzf_action, or the command itself, as
+   CTRL-ALT-X is in :Buffers
  - Bang-versions of the commands (e.g. `Ag!`) will open fzf in fullscreen
  - You can set `g:fzf_vim.command_prefix` to give the same prefix to the commands
    - e.g. `let g:fzf_vim.command_prefix = 'Fzf'` and you have `FzfFiles`, etc.
@@ -256,7 +257,7 @@ Most commands support a key that opens the current entry in the window fzf was
 started from and leaves fzf open, so you can look through several entries in
 one run. It is labelled Show in the footer to set it apart from Enter, which
 opens the entry and closes fzf. Customize it with `g:fzf_vim.show_key`, or set
-it to an empty string to turn the key off. A comma separated list binds every
+it to an empty string to turn the key off. A comma-separated list binds every
 key in it. It takes the key over from `$FZF_DEFAULT_OPTS`, so pick another key
 or turn it off to keep a binding of your own.
 >