Invalid help example of property

```
# crm configure help property
...
Example:

...
property rule date spec years=2014 stonith-enabled=false

# crm configure property rule date spec years=2014 stonith-enabled=false
ERROR: syntax in property: Unknown arguments: rule date spec years=2014 near parsing 'property cib-bootstrap-options: have-watchdog=true dc-version=3.0.0+20250218.64cd85422c-160000.2.2-3.0.0+20250218.64cd85422c cluster-infrastructure=corosync cluster-name=hacluster stonith-enabled=false stonith-timeout=71 priority-fencing-delay=60 rule date spec years=2014'
```