diff --git a/doc/user/functionality.tex b/doc/user/functionality.tex
index 5ed49180ae..c4a51bb8a5 100644
--- a/doc/user/functionality.tex
+++ b/doc/user/functionality.tex
@@ -84,7 +84,7 @@ For closed and open shell SCF and DFT:
 
 In addition, automatic interfaces are provided to
 \begin{itemize}
-\item The COLUMBUS multi-reference CI package
+%\item The COLUMBUS multi-reference CI package
 \item The natural bond orbital (NBO) package
 \item Python
 \end{itemize}