TBR: fix typo

Change-Id: I3f9cf24b2ecb364a096f8704d6202349b343c3f7
diff --git a/content/installation/step-by-step.md b/content/installation/step-by-step.md
index a3c2f81..d80a31a 100644
--- a/content/installation/step-by-step.md
+++ b/content/installation/step-by-step.md
@@ -129,7 +129,7 @@
 # Run the package installation command as root.
 if [ -z "$(jiri profile os-packages v23:base)" ]; then
   sudo $(jiri profile os-packages v23:base)
-end
+fi
 ```
 
 Then install the prerequisites themselves.