diff --git a/Documentation/driver-api/index.rst b/Documentation/driver-api/index.rst
index 99bdb393f475..d4e78cb3ef4d 100644
--- a/Documentation/driver-api/index.rst
+++ b/Documentation/driver-api/index.rst
@@ -80,6 +80,7 @@ available subsections can be seen below.
    isa
    isapnp
    io-mapping
+   io_ordering
    generic-counter
    lightnvm-pblk
    memory-devices/index
diff --git a/Documentation/io_ordering.txt b/Documentation/driver-api/io_ordering.rst
similarity index 100%
rename from Documentation/io_ordering.txt
rename to Documentation/driver-api/io_ordering.rst