diff --git a/tools/make-autosuspend-rules.py b/tools/make-autosuspend-rules.py
index e13ca33f6f..a20edc0f34 100755
--- a/tools/make-autosuspend-rules.py
+++ b/tools/make-autosuspend-rules.py
@@ -14,7 +14,7 @@ for entry in chromiumos.gen_autosuspend_rules.PCI_IDS:
     device = int(device, 16)
     print('pci:v{:08X}d{:08X}*'.format(vendor, device))
 
-print('# usb:v<VEND>p<PROD> (4 uppercase hexadecimal digits twice')
+print('# usb:v<VEND>p<PROD> (4 uppercase hexadecimal digits twice)')
 for entry in chromiumos.gen_autosuspend_rules.USB_IDS:
     vendor, product = entry.split(':')
     vendor = int(vendor, 16)