diff --git a/commun/commun.sty b/commun/commun.sty
index cc2d464..44c50b4 100644
--- a/commun/commun.sty
+++ b/commun/commun.sty
@@ -133,6 +133,7 @@
 \newcommand{\bi}{\begin{itemize}}
 \newcommand{\ei}{\end{itemize}}
 
+% barrer du texte
 \newcommand\hcancel[2][black]{
 	\setbox0=\hbox{$#2$}%
 	\rlap{\raisebox{.45\ht0}{\textcolor{#1}{\rule{\wd0}{2pt}}}}#2
@@ -141,6 +142,9 @@
 % 	\setbox0=\hbox{$#3$}%
 % 	\rlap{\raisebox{.45\ht0}{\textcolor{#1}{\rule{\wd0}{#2}}}} {#3}
 % }
+
+% texte gras
+\newcommand{\tb}[1]{\textbf{#1}}
 %--%