fix(docs): unify referenced Ubuntu versions
Documentation is inconsistent when referring to Ubuntu versioning.
Change this to a single reference that is consistent with the stated
version for TF-A tests.
The change was tested with a full build on a clean install of Ubuntu 20.04.
Signed-off-by: Boyan Karatotev <boyan.karatotev@arm.com>
Change-Id: Ibb135ed938e9d92332668fa5caf274cf61b822d3
diff --git a/docs/getting_started/docs-build.rst b/docs/getting_started/docs-build.rst
index 87c677f..1762558 100644
--- a/docs/getting_started/docs-build.rst
+++ b/docs/getting_started/docs-build.rst
@@ -31,8 +31,8 @@
requirements file as an argument to ``pip3`` automatically installs the specific
module versions required by |TF-A|.
-An example set of installation commands for Ubuntu 18.04 LTS follows, assuming
-that the working directory is ``docs``:
+An example set of installation commands for Ubuntu follows, assuming that the
+working directory is ``docs``:
.. code:: shell