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-rw-r--r--tools/buildman/cmdline.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/buildman/cmdline.py b/tools/buildman/cmdline.py
index 680c072d66..274b5ac3f4 100644
--- a/tools/buildman/cmdline.py
+++ b/tools/buildman/cmdline.py
@@ -97,7 +97,8 @@ def ParseArgs():
parser.add_option('-t', '--test', action='store_true', dest='test',
default=False, help='run tests')
parser.add_option('-T', '--threads', type='int',
- default=None, help='Number of builder threads to use')
+ default=None,
+ help='Number of builder threads to use (0=single-thread)')
parser.add_option('-u', '--show_unknown', action='store_true',
default=False, help='Show boards with unknown build result')
parser.add_option('-U', '--show-environment', action='store_true',