diff --git a/include/linux/idr.h b/include/linux/idr.h
index a6f38b5..8c1f81f 100644
--- a/include/linux/idr.h
+++ b/include/linux/idr.h
@@ -99,7 +99,7 @@
 
 /**
  * idr_find - return pointer for given id
- * @idp: idr handle
+ * @idr: idr handle
  * @id: lookup key
  *
  * Return the pointer given the id it has been registered with.  A %NULL