diff --git a/doc/ikarus-scheme-users-guide.pdf b/doc/ikarus-scheme-users-guide.pdf
index 9bf9fcd..34d6484 100644
Binary files a/doc/ikarus-scheme-users-guide.pdf and b/doc/ikarus-scheme-users-guide.pdf differ
diff --git a/doc/ikarus-scheme-users-guide.tex b/doc/ikarus-scheme-users-guide.tex
index 6abab8f..2c71e1d 100644
--- a/doc/ikarus-scheme-users-guide.tex
+++ b/doc/ikarus-scheme-users-guide.tex
@@ -12,9 +12,17 @@
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 \usepackage{makeidx}