diff -r 479b4d6b9562 -r 26315a545e26 src/HOL/Library/Quotient_Option.thy
--- a/src/HOL/Library/Quotient_Option.thy	Fri Apr 13 13:59:35 2012 +0200
+++ b/src/HOL/Library/Quotient_Option.thy	Fri Apr 13 14:00:26 2012 +0200
@@ -1,4 +1,4 @@
-(*  Title:      HOL/Library/Quotient3_Option.thy
+(*  Title:      HOL/Library/Quotient_Option.thy
     Author:     Cezary Kaliszyk and Christian Urban
 *)