diff -r 7e51804da8f4 -r e417bd7ca8a0 doc-src/TutorialI/Misc/document/simp.tex
--- a/doc-src/TutorialI/Misc/document/simp.tex	Tue Dec 18 02:22:27 2001 +0100
+++ b/doc-src/TutorialI/Misc/document/simp.tex	Tue Dec 18 13:15:21 2001 +0100
@@ -237,7 +237,8 @@
 There is also the special method \isa{unfold}\index{*unfold (method)|bold}
 which merely unfolds
 one or several definitions, as in \isacommand{apply}\isa{(unfold xor_def)}.
-This is can be useful in situations where \isa{simp} does too much.%
+This is can be useful in situations where \isa{simp} does too much.
+Warning: \isa{unfold} acts on all subgoals!%
 \end{isamarkuptext}%
 \isamarkuptrue%
 %