diff --git a/docs/collector.logical_disk.md b/docs/collector.logical_disk.md
index 28da0606..1b61d3d3 100644
--- a/docs/collector.logical_disk.md
+++ b/docs/collector.logical_disk.md
@@ -5,7 +5,8 @@ The logical_disk collector exposes metrics about logical disks (in contrast to p
 |||
 -|-
 Metric name prefix  | `logical_disk`
-Classes             | [`Win32_PerfRawData_PerfDisk_LogicalDisk`](https://msdn.microsoft.com/en-us/windows/hardware/aa394307(v=vs.71))
+Data source         | Perflib
+Counters             | `LogicalDisk` ([`Win32_PerfRawData_PerfDisk_LogicalDisk`](https://msdn.microsoft.com/en-us/windows/hardware/aa394307(v=vs.71)))
 Enabled by default? | Yes
 
 ## Flags