diff --git a/powerline/commands/lint.py b/powerline/commands/lint.py
index a09aa35c..27010d3d 100755
--- a/powerline/commands/lint.py
+++ b/powerline/commands/lint.py
@@ -6,6 +6,6 @@ import argparse
 
 def get_argparser(ArgumentParser=argparse.ArgumentParser):
 	parser = ArgumentParser(description='Powerline configuration checker.')
-	parser.add_argument('-p', '--config_path', action='append', metavar='PATH', help='Paths where configuration should be checked, in order. You must supply all paths necessary for powerline to work, checking partial (e.g. only user overrides) configuration is not supported.')
+	parser.add_argument('-p', '--config-path', action='append', metavar='PATH', help='Paths where configuration should be checked, in order. You must supply all paths necessary for powerline to work, checking partial (e.g. only user overrides) configuration is not supported.')
 	parser.add_argument('-d', '--debug', action='store_const', const=True, help='Display additional information. Used for debugging `powerline-lint\' itself, not for debugging configuration.')
 	return parser