1 files changed, 4 insertions, 4 deletions

diff --git a/src/data.c b/src/data.c
index 059f31e514b..9adfafacaa5 100644
--- a/src/data.c
+++ b/src/data.c
@@ -581,8 +581,8 @@ DEFUN ("condition-variable-p", Fcondition_variable_p, Scondition_variable_p,
 /* Extract and set components of lists.  */
 
 DEFUN ("car", Fcar, Scar, 1, 1, 0,
-       doc: /* Return the car of LIST.  If arg is nil, return nil.
-Error if arg is not nil and not a cons cell.  See also `car-safe'.
+       doc: /* Return the car of LIST.  If LIST is nil, return nil.
+Error if LIST is not nil and not a cons cell.  See also `car-safe'.
 
 See Info node `(elisp)Cons Cells' for a discussion of related basic
 Lisp concepts such as car, cdr, cons cell and list.  */)
@@ -599,8 +599,8 @@ DEFUN ("car-safe", Fcar_safe, Scar_safe, 1, 1, 0,
 }
 
 DEFUN ("cdr", Fcdr, Scdr, 1, 1, 0,
-       doc: /* Return the cdr of LIST.  If arg is nil, return nil.
-Error if arg is not nil and not a cons cell.  See also `cdr-safe'.
+       doc: /* Return the cdr of LIST.  If LIST is nil, return nil.
+Error if LIST is not nil and not a cons cell.  See also `cdr-safe'.
 
 See Info node `(elisp)Cons Cells' for a discussion of related basic
 Lisp concepts such as cdr, car, cons cell and list.  */)