[autotest] Fix the instructions to run some contrib scripts.

TEST=Ran scripts.
BUG=None

Change-Id: I22a87bc9f38b93431a2c9db48253de7ce8d14d70
Reviewed-on: https://chromium-review.googlesource.com/203160
Reviewed-by: Prashanth B <beeps@chromium.org>
Commit-Queue: Prashanth B <beeps@chromium.org>
Tested-by: Prashanth B <beeps@chromium.org>
diff --git a/contrib/onerous_tasks.py b/contrib/onerous_tasks.py
index a41cfd2..a3281c1 100755
--- a/contrib/onerous_tasks.py
+++ b/contrib/onerous_tasks.py
@@ -33,7 +33,7 @@
 
 def _parse_args(args):
     description=('onerous_tasks.py job_id -id 123 -cutoff 5 or \n'
-                 'onerous_tasks.py host -host 123.123 '
+                 'onerous_tasks.py host -name 123.123 '
                  '-start "2014-03-25 16:26:31" -end "2014-03-25 16:26:31"\n')
     if not args:
         print ('Too few arguments, execute \n%s\nor try '
diff --git a/contrib/sheriff_host_utils.py b/contrib/sheriff_host_utils.py
index 1f4f754..d6e0eea 100755
--- a/contrib/sheriff_host_utils.py
+++ b/contrib/sheriff_host_utils.py
@@ -33,7 +33,7 @@
 
 def _parse_args(args):
     description=('./sheriff_host_utils.py --limit 5 --days_back 5 '
-                 '--query status="Repair Failed" invalid=0 locked=0')
+                 '--query \'status="Repair Failed" invalid=0 locked=0\'')
     if not args:
         print ('Too few arguments, execute %s, or try '
                './sheriff_host_utils.py --help' % description)