diff --git a/deploy.sh b/deploy.sh
index 20c22d1..82bdca6 100755
--- a/deploy.sh
+++ b/deploy.sh
@@ -1,10 +1,11 @@
 #!/bin/sh
 
 usage () {
-    echo "Usage: $0"
-    echo "Usage: $0 os"
-    echo "Usage: $0 services [SINGLE_SERVICE]"
-    echo "Usage: $0 reboot [-f|--force]"
+    printf '%s\n' "Usage:"
+    printf '\t%s\n' "$0"
+    printf '\t%s\n' "$0 os"
+    printf '\t%s\n' "$0 services [SINGLE_SERVICE]"
+    printf '\t%s\n' "$0 reboot [-f|--force]"
 }
 
 BASE_CMD="ansible-playbook playbook.yml --ask-vault-pass --ask-become-pass"