diff --git a/004/codex-004.tex b/004/codex-004.tex
index df0286c..bcf3bf2 100644
--- a/004/codex-004.tex
+++ b/004/codex-004.tex
@@ -31,7 +31,7 @@
 \pagestyle{fancy}
  \fancyhf{}
  \fancyhead[LE,RO]{\textit{the codex}}
- \fancyhead[RE,LO]{Issue \#003}
+ \fancyhead[RE,LO]{Issue \#004}
  \cfoot{Page \thepage}
 \renewcommand{\footrulewidth}{0.5pt}