diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
index 50c9d25..7286032 100644
--- a/block/bfq-iosched.c
+++ b/block/bfq-iosched.c
@@ -17,7 +17,7 @@
  * low-latency capabilities. BFQ also supports full hierarchical
  * scheduling through cgroups. Next paragraphs provide an introduction
  * on BFQ inner workings. Details on BFQ benefits, usage and
- * limitations can be found in Documentation/block/bfq-iosched.txt.
+ * limitations can be found in Documentation/block/bfq-iosched.rst.
  *
  * BFQ is a proportional-share storage-I/O scheduling algorithm based
  * on the slice-by-slice service scheme of CFQ. But BFQ assigns