diff --git a/util/execdetails.go b/util/execdetails.go
index a1c3cbe91b..34cc058aa5 100644
--- a/util/execdetails.go
+++ b/util/execdetails.go
@@ -330,7 +330,7 @@ type ExecDetails struct {
 	WaitKVRespDuration int64
 	WaitPDRespDuration int64
 	WaitRUDuration     int64
-	// total read ans write ru in 1/1000
+	// total read and write ru in 1/1000 precision.
 	MilliRRU int64
 	MilliWRU int64
 }