diff --git a/doc/update081.md b/doc/update081.md
index 02f2de5c..9953a9aa 100644
--- a/doc/update081.md
+++ b/doc/update081.md
@@ -11,7 +11,9 @@ rm -rf ~/.komodo/NINJA
 
 ### Prepare GLEEC_OLD datafolder by create a symlink (mandatory)
 
+```bash
 ln -s -f $HOME/.komodo/GLEEC_OLD/GLEEC.conf $HOME/.komodo/GLEEC_OLD/GLEEC_OLD.conf
+```
 
 ### Update `komodod` on main node