diff --git a/docs/collector.diskdrive.md b/docs/collector.diskdrive.md
index 3110a063..eb38d201 100644
--- a/docs/collector.diskdrive.md
+++ b/docs/collector.diskdrive.md
@@ -30,7 +30,7 @@ groups:
   rules:
 
   - alert: Drive_Status
-    expr: windows_disk_drive_status{status="OK"} != 1
+    expr: windows_diskdrive_status{status="OK"} != 1
     for: 10m
     labels:
       severity: high