diff --git a/doc/workflow/examples/driver_1.sh b/doc/workflow/examples/driver_1.sh
index 91777a0..a18d26a 100755
--- a/doc/workflow/examples/driver_1.sh
+++ b/doc/workflow/examples/driver_1.sh
@@ -1,5 +1,5 @@
 #!/bin/sh
 
 # @code:
-python  driver1.py TaskZ --x=3 --y=4
+python driver1.py TaskZ --x=3 --y=4
 # @:code