diff --git a/Documentation/block/bfq-iosched.txt b/Documentation/block/bfq-iosched.txt
index 05e2822..8e093a2 100644
--- a/Documentation/block/bfq-iosched.txt
+++ b/Documentation/block/bfq-iosched.txt
@@ -11,6 +11,15 @@ controllers), BFQ's main features are:
   groups (switching back to time distribution when needed to keep
   throughput high).
 
+If bfq-mq patches have been applied, then the following three
+instances of BFQ are available (otherwise only the first instance):
+- bfq: mainline version of BFQ