diff --git a/ats/atsMachines/docker.py b/ats/atsMachines/docker.py
index 1a6383b..d1e81d8 100644
--- a/ats/atsMachines/docker.py
+++ b/ats/atsMachines/docker.py
@@ -38,7 +38,7 @@ def addOptions(self, parser):
                           --launchCmds '--affinity' --mpiexe mpirun
                           would launch each test as
                           mpirun --affinity ...
-                          """
+                          """)
 
 
     def examineOptions(self, options):