src/HOL/Quotient_Examples/Quotient_Message.thy

--- a/src/HOL/Quotient_Examples/Quotient_Message.thy	Fri Aug 18 13:55:05 2017 +0200
+++ b/src/HOL/Quotient_Examples/Quotient_Message.thy	Fri Aug 18 20:47:47 2017 +0200
@@ -5,7 +5,7 @@
 *)
 
 theory Quotient_Message
-imports Main "~~/src/HOL/Library/Quotient_Syntax"
+imports Main "HOL-Library.Quotient_Syntax"
 begin
 
 subsection\<open>Defining the Free Algebra\<close>