ref-manual: add more class references

(From yocto-docs rev: f4610b060968c481c68d0411b82201c302050b71)

Signed-off-by: Michael Opdenacker <michael.opdenacker@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/documentation/ref-manual/structure.rst b/documentation/ref-manual/structure.rst
index 5f00edb06c..5d2e3a86ef 100644
--- a/documentation/ref-manual/structure.rst
+++ b/documentation/ref-manual/structure.rst
@@ -231,7 +231,7 @@ is available via the :term:`TOPDIR` variable.
 -----------------------
 
 The OpenEmbedded build system creates this directory when you enable
-build history via the ``buildhistory`` class file. The directory
+build history via the :ref:`buildhistory <ref-classes-buildhistory>` class file. The directory
 organizes build information into image, packages, and SDK
 subdirectories. For information on the build history feature, see the
 ":ref:`dev-manual/common-tasks:maintaining build output quality`"