Comment typo fixes for 'descriptor'

Signed-off-by: Justin P. Mattock <justinmattock@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c
index 28720d3..6451b58 100644
--- a/drivers/dma/shdma.c
+++ b/drivers/dma/shdma.c
@@ -750,7 +750,7 @@
 		return;
 	}
 
-	/* Find the first not transferred desciptor */
+	/* Find the first not transferred descriptor */
 	list_for_each_entry(desc, &sh_chan->ld_queue, node)
 		if (desc->mark == DESC_SUBMITTED) {
 			dev_dbg(sh_chan->dev, "Queue #%d to %d: %u@%x -> %x\n",