1 files changed, 8 insertions, 8 deletions
diff --git a/README.md b/README.md
index 6eefa12..3a6c383 100644
--- a/README.md
+++ b/README.md
@@ -108,26 +108,26 @@ example apears at the end of the document, following the tutorial.
 
 ``` lisp
 
-(defun all-subsets (list)
+(defun powerset (list)
   "Generate the set of all subsets of a given set."
   (if (null list) (seq (list nil))
-      (concat! (all-subsets (cdr list))
+      (concat! (powerset (cdr list))
                (map! (lambda (sub) (cons (car list) sub))
-                     (all-subsets (cdr list))))))
+                     (powerset (cdr list))))))
 
-> (collect (all-subsets '()))
+> (collect (powerset '()))
 (NIL)
 
-> (collect (all-subsets '(1)))
+> (collect (powerset '(1)))
 (NIL (1))
 
-> (collect (all-subsets '(1 2)))
+> (collect (powerset '(1 2)))
 (NIL (2) (1) (1 2))
 
-> (collect (all-subsets '(1 2 3)))
+> (collect (powerset '(1 2 3)))
 (NIL (3) (2) (2 3) (1) (1 3) (1 2) (1 2 3))
 
-> (collect (all-subsets '(1 2 3 4)))
+> (collect (powerset '(1 2 3 4)))
 (NIL (4) (3) (3 4) (2) (2 4) (2 3) (2 3 4) (1) (1 4) (1 3) (1 3 4) (1 2)
  (1 2 4) (1 2 3) (1 2 3 4))