[PATCH] docs: dma: update a reference to a moved document

[Li Zhijian]

Documentation/DMA-API.txt has moved to Documentation/core-api/dma-api.rst

Signed-off-by: Li Zhijian <lizhijian@xxxxxxxxxxx>
---
 Documentation/core-api/dma-api-howto.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/core-api/dma-api-howto.rst b/Documentation/core-api/dma-api-howto.rst
index 72f6cdb6be1c..e8a55f9d61db 100644
--- a/Documentation/core-api/dma-api-howto.rst
+++ b/Documentation/core-api/dma-api-howto.rst
@@ -8,7 +8,7 @@ Dynamic DMA mapping Guide
 
 This is a guide to device driver writers on how to use the DMA API
 with example pseudo-code.  For a concise description of the API, see
-DMA-API.txt.
+Documentation/core-api/dma-api.rst.
 
 CPU and DMA addresses
 =====================
-- 
2.41.0