diff --git a/Documentation/block/biodoc.rst b/Documentation/block/biodoc.rst
index 1d4d71e391af..2098477851a4 100644
--- a/Documentation/block/biodoc.rst
+++ b/Documentation/block/biodoc.rst
@@ -196,7 +196,7 @@ a virtual address mapping (unlike the earlier scheme of virtual address
 do not have a corresponding kernel virtual address space mapping) and
 low-memory pages.
 
-Note: Please refer to :doc:`/core-api/dma-api-howto` for a discussion
+Note: Please refer to Documentation/core-api/dma-api-howto.rst for a discussion
 on PCI high mem DMA aspects and mapping of scatter gather lists, and support
 for 64 bit PCI.