diff --git a/venv/skylab_suite/suite_parser.py b/venv/skylab_suite/suite_parser.py
index 4cf517f..ecc2ad5 100644
--- a/venv/skylab_suite/suite_parser.py
+++ b/venv/skylab_suite/suite_parser.py
@@ -20,7 +20,7 @@
 def make_parser():
     """Make ArgumentParser instance for run_suite_skylab.py."""
     parser = argparse.ArgumentParser(prog='run_suite_skylab',
-                                     description=__doc__)
+                                     description="Run a test suite in Skylab.")
 
     # Suite-related parameters.
     parser.add_argument('--board', required=True)
@@ -30,10 +30,13 @@
                   'builds, model and board are synonymous, but board is more '
                   'accurate in some cases. Only pass this option if your build '
                   'is a unified build.'))
+    pool_choices = sorted(swarming_lib.SWARMING_DUT_POOL_MAP.keys())
+    pool_choices.append('')
     parser.add_argument(
-        '--pool', default='suites',
-        help=('Specify the pool of DUTs to run this suite. If you want no '
-              'pool, you can specify it with --pool="". USE WITH CARE.'))
+        '--pool', default='suites', choices=pool_choices,
+        help=('Specify the pool of DUTs to run this suite. Default: suites. '
+              'If you want no pool, you can specify it with --pool="". '
+              'USE WITH CARE.'))
     parser.add_argument(
         '--suite_name', required=True,
         help='Specify the suite to run.')
diff --git a/venv/skylab_suite/swarming_lib.py b/venv/skylab_suite/swarming_lib.py
index 27b11f8..a17f823 100644
--- a/venv/skylab_suite/swarming_lib.py
+++ b/venv/skylab_suite/swarming_lib.py
@@ -71,11 +71,12 @@
 
 # TODO (xixuan): Use proto library or some future APIs instead of hardcoding.
 SWARMING_DUT_POOL_MAP = {
-        'cq': 'DUT_POOL_CQ',
-        'bvt': 'DUT_POOL_BVT',
-        'suites': 'DUT_POOL_SUITES',
-        'cts': 'DUT_POOL_CTS',
         'arc-presubmit': 'DUT_POOL_CTS_PERBUILD',
+        'bvt': 'DUT_POOL_BVT',
+        'cq': 'DUT_POOL_CQ',
+        'cts': 'DUT_POOL_CTS',
+        'quota-metered': 'DUT_POOL_QUOTA_METERED',
+        'suites': 'DUT_POOL_SUITES',
 }
 SWARMING_DUT_READY_STATUS = 'ready'