Fix typo in custom.texi

* doc/emacs/custom.texi (Variables): Fix typo.  Pointed out by
ej32u@protonmail.com.  (Bug#40890)

1 files changed, 1 insertions, 1 deletions

diff --git a/doc/emacs/custom.texi b/doc/emacs/custom.texi
index e7e879065ed..406f0c96c1f 100644
--- a/doc/emacs/custom.texi
+++ b/doc/emacs/custom.texi
@@ -755,7 +755,7 @@ non-@code{nil} value).  If you set a variable using the customization
 buffer, you need not worry about giving it an invalid type: the
 customization buffer usually only allows you to enter meaningful
 values.  When in doubt, use @kbd{C-h v} (@code{describe-variable}) to
-check the variable's documentation string to see kind of value it
+check the variable's documentation string to see what kind of value it
 expects (@pxref{Examining}).
 
 @menu