dmaengine: Documentation: Fix typo in provider.txt

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
diff --git a/Documentation/dmaengine/provider.txt b/Documentation/dmaengine/provider.txt
index c4fd475..e33bc1c 100644
--- a/Documentation/dmaengine/provider.txt
+++ b/Documentation/dmaengine/provider.txt
@@ -384,7 +384,7 @@
     - The descriptor should be prepared for reuse by invoking
       dmaengine_desc_set_reuse() which will set DMA_CTRL_REUSE.
     - dmaengine_desc_set_reuse() will succeed only when channel support
-      reusable descriptor as exhibited by capablities
+      reusable descriptor as exhibited by capabilities
     - As a consequence, if a device driver wants to skip the dma_map_sg() and
       dma_unmap_sg() in between 2 transfers, because the DMA'd data wasn't used,
       it can resubmit the transfer right after its completion.