diff --git a/HowtoRedmine.md b/HowtoRedmine.md
index d4f2b684..30d9b4c3 100644
--- a/HowtoRedmine.md
+++ b/HowtoRedmine.md
@@ -221,19 +221,19 @@ systemctl --user enable/disable puma
 
 Mise à jour des gem :
 
-~~~
+~~~ { .bash }
 bundle install --gemfile=~/www/Gemfile --path=~/.gems
 ~~~
 
 Migration des plugins :
 
-~~~
+~~~ { .bash }
 ( cd ~/www && bundle exec rake -qf ~/www/Rakefile redmine:plugins:migrate )
 ~~~
 
 #### Desinstallation d'un plugin :
 
-~~~
+~~~ { .bash }
 ( cd ~/www && bundle exec rake -qf ~/www/Rakefile redmine:plugins:migrate[plugin_name,0] )
 ~~~