1 files changed, 1 insertions, 1 deletions

diff --git a/doc/lispref/lists.texi b/doc/lispref/lists.texi
index 1548dd49b2f..69f93009520 100644
--- a/doc/lispref/lists.texi
+++ b/doc/lispref/lists.texi
@@ -656,7 +656,7 @@ resulting list.  Instead, the sequence becomes the final @sc{cdr}, like
 any other non-list final argument.
 
 @defun copy-tree tree &optional vecp
-This function returns a copy of the tree @code{tree}.  If @var{tree} is a
+This function returns a copy of the tree @var{tree}.  If @var{tree} is a
 cons cell, this makes a new cons cell with the same @sc{car} and
 @sc{cdr}, then recursively copies the @sc{car} and @sc{cdr} in the
 same way.