--- array.c~	2010-06-11 07:21:18.000000000 +0300
+++ array.c	2010-08-31 05:36:12.844565473 +0300
@@ -1897,7 +1897,7 @@
 
 /*
  *  call-seq:
- *     ary.rotate([n = 1]) -> new_ary
+ *     ary.rotate([cnt = 1]) -> new_ary
  *
  *  Returns new array by rotating +self+, whose first element is the
  *  element at +cnt+ in +self+.  If +cnt+ is negative then it rotates