(lambda): Doc fix.

diff --git a/lisp/subr.el b/lisp/subr.el
index 65a22d1f11619fcf54c8ee43c8fda76f6cd92506..2c0ebd7617b8603586e02b61f59abf4b207983a1 100644 (file)
--- a/lisp/subr.el
+++ b/lisp/subr.el
@@ -32,7 +32,9 @@ function, i.e., stored as the function value of a symbol, passed to
 funcall or mapcar, etc.
 
 ARGS should take the same form as an argument list for a `defun'.
-DOCSTRING should be a string, as described for `defun'.  It may be omitted.
+DOCSTRING is an optional documentation string.
+ If present, it should describe how to call the function.
+ But documentation strings are usually not useful in nameless functions.
 INTERACTIVE should be a call to the function `interactive', which see.
 It may also be omitted.
 BODY should be a list of lisp expressions."