diff --git a/manuscript/chapter19.txt b/manuscript/chapter19.txt
index 62aefef..85ef650 100644
--- a/manuscript/chapter19.txt
+++ b/manuscript/chapter19.txt
@@ -219,7 +219,9 @@ This will run the given command and keep it running, even after the terminal or
 bkr() {
     (nohup "$@" &>/dev/null &)
 }
+```
 
+```shell
 bkr ./some_script.sh # some_script.sh is now running in the background
 ```