diff -r 4159e1523ad8 -r 99ead7a7eb42 doc-src/TutorialI/CTL/PDL.thy
--- a/doc-src/TutorialI/CTL/PDL.thy	Wed Oct 19 17:21:53 2005 +0200
+++ b/doc-src/TutorialI/CTL/PDL.thy	Wed Oct 19 21:52:07 2005 +0200
@@ -1,4 +1,4 @@
-(*<*)theory PDL = Base:(*>*)
+(*<*)theory PDL imports Base begin(*>*)
 
 subsection{*Propositional Dynamic Logic --- PDL*}