1 files changed, 9 insertions, 0 deletions

diff --git a/documentation/ref-manual/structure.rst b/documentation/ref-manual/structure.rst
index bbeda78c79..616c3c4c9b 100644
--- a/documentation/ref-manual/structure.rst
+++ b/documentation/ref-manual/structure.rst
@@ -335,6 +335,15 @@ Once the build process gets the sample file, it uses ``sed`` to substitute final
    version of the ``bblayers.conf.sample`` file in the ``meta-poky/conf/templates/default``
    directory.
 
+.. _structure-build-conf-bblock.conf:
+
+``build/conf/bblock.conf``
+--------------------------
+
+This configuration file is generated by :doc:`bblock </dev-manual/bblock>` and
+contains the signatures locked by ``bblock``. By default, it does not exist
+and will be created upon the first invocation of ``bblock``.
+
 .. _structure-build-downloads:
 
 ``build/downloads/``