diff --git a/_episodes/01-prep.md b/_episodes/01-prep.md
index 96f2bad..1a85a6a 100644
--- a/_episodes/01-prep.md
+++ b/_episodes/01-prep.md
@@ -56,7 +56,7 @@ docker node ls
 
 which should result in something that looks like this:
 
-``` shell
+``` console
 ID                            HOSTNAME                                       STATUS              AVAILABILITY        MANAGER STATUS      ENGINE VERSION
 8tuwrbfdci97tfn9nqoinic0o *   registry1-private.comanage.incommon.training   Ready               Active              Leader              19.03.4
 ```
@@ -75,7 +75,7 @@ CONTAINER ID        IMAGE               COMMAND             CREATED
 
 _NOTE: You can also use `sudo` without a password, but you probably will not need it in this session. For example,_
 
-``` shell
+``` console
 [training@registry1-private ~]$ sudo /usr/bin/whoami
 root
 ```