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-rw-r--r--nova/virt/libvirt/driver.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/nova/virt/libvirt/driver.py b/nova/virt/libvirt/driver.py
index 00ff77eb31..a819636cdf 100644
--- a/nova/virt/libvirt/driver.py
+++ b/nova/virt/libvirt/driver.py
@@ -213,7 +213,7 @@ libvirt_opts = [
cfg.ListOpt('disk_cachemodes',
default=[],
help='Specific cachemodes to use for different disk types '
- 'e.g: ["file=directsync","block=none"]'),
+ 'e.g: file=directsync,block=none'),
cfg.StrOpt('vcpu_pin_set',
help='Which pcpus can be used by vcpus of instance '
'e.g: "4-12,^8,15"'),