diff --git a/doc/build/index.rst b/doc/build/index.rst
index e0072af..5051a97 100644
--- a/doc/build/index.rst
+++ b/doc/build/index.rst
@@ -6,5 +6,6 @@
 .. toctree::
    :maxdepth: 2
 
+   source
    clang
    tools
diff --git a/doc/build/source.rst b/doc/build/source.rst
new file mode 100644
index 0000000..75720e2
--- /dev/null
+++ b/doc/build/source.rst
@@ -0,0 +1,30 @@
+Obtaining the source
+=====================
+
+The source of the U-Boot project is maintained in a Git repository.
+
+You can download the source via
+
+.. code-block:: bash
+
+    git clone https://gitlab.denx.de/u-boot/u-boot.git
+
+A mirror of the source is maintained on Github
+
+.. code-block:: bash
+
+    git clone https://github.com/u-boot/u-boot
+
+The released versions are available as tags which use the naming scheme::
+
+    v<year>.<month>
+
+Release candidates are named::
+
+    v<year>.<month>-rc<number>
+
+To checkout the October 2020 release you would use:
+
+.. code-block:: bash
+
+    git checkout v2020.10