diff --git a/manual/preamble.tex b/manual/preamble.tex
index eb5d2fca73..c07178fcd7 100644
--- a/manual/preamble.tex
+++ b/manual/preamble.tex
@@ -25,6 +25,8 @@
 \newcommand{\tabeltc}[1]{{\centering #1 \par}}
 \newcommand{\tabelth}[1]{{\centering \textbf{\textit{#1}} \par}}
 
+\newcommand{\fixme}[1]{\textbf{\textcolor{red}{#1}}}
+
 \usepackage{fancyhdr}
 \usepackage{graphicx}
 \usepackage{verbatim}