emacs-28 f2031d0ddb: Minor improvement in user documentation of completion style

[Eli Zaretskii]

branch: emacs-28
commit f2031d0ddb6a21eebbf396094a5c4d4e73019271
Author: Eli Zaretskii <eliz@gnu.org>
Commit: Eli Zaretskii <eliz@gnu.org>

    Minor improvement in user documentation of completion style
    
    * doc/emacs/mini.texi (Completion Styles): Add reference to
    "Completion Variables" in the ELisp manual.  (Bug#52901)
---
 doc/emacs/mini.texi | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/doc/emacs/mini.texi b/doc/emacs/mini.texi
index b0f6e424a7..56222bb6e1 100644
--- a/doc/emacs/mini.texi
+++ b/doc/emacs/mini.texi
@@ -497,7 +497,10 @@ falls back on the next style.
 @vindex completion-styles
   The list variable @code{completion-styles} specifies the completion
 styles to use.  Each list element is the name of a completion style (a
-Lisp symbol).  The default completion styles are (in order):
+Lisp symbol).  The available style symbols are stored in the variable
+@code{completion-styles-alist} (@pxref{Completion Variables,,, elisp,
+The Emacs Lisp Reference Manual}).  The default completion styles are
+(in order):
 
 @table @code
 @item basic