diff --git a/block/blk-iocost.c b/block/blk-iocost.c
index f01359906c83..2b8abc499b18 100644
--- a/block/blk-iocost.c
+++ b/block/blk-iocost.c
@@ -111,7 +111,7 @@
  * busy signal.
  *
  * As devices can have deep queues and be unfair in how the queued commands
- * are executed, soley depending on rq wait may not result in satisfactory
+ * are executed, solely depending on rq wait may not result in satisfactory
  * control quality.  For a better control quality, completion latency QoS
  * parameters can be configured so that the device is considered saturated
  * if N'th percentile completion latency rises above the set point.