diff --git a/mps/.github/workflows/build-and-test.yml b/mps/.github/workflows/build-and-test.yml
index 948e2021eba..1ab63c11596 100644
--- a/mps/.github/workflows/build-and-test.yml
+++ b/mps/.github/workflows/build-and-test.yml
@@ -71,8 +71,6 @@ jobs:
 #
 # [GitHub CI] "About continuous integration"; <https://docs.github.com/en/actions/automating-builds-and-tests/about-continuous-integration>.
 #
-# .. _GitHub contributors: https://github.com/actions/starter-workflows/commits/1d9d6d7fb0a8a27ef98efbbfa9689cd14c906383/ci/c-cpp.yml
-#
 #
 # B. DOCUMENT HISTORY
 #
@@ -82,31 +80,34 @@ jobs:
 #
 # C. COPYRIGHT AND LICENSE
 #
-# Copyright (C) 2013-2023 Ravenbrook Limited <https://www.ravenbrook.com/>.
+# NOTE: This is the `MIT Licence <https://opensource.org/licenses/MIT>`_
+# inherited from
+# <https://github.com/actions/starter-workflows/blob/9f245d9aba830ad16a097a45c78331a05114d815/ci/c-cpp.yml> and not the usual licence for the MPS.
 #
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
+# Copyright (c) 2019-2022 `GitHub contributors`_.
+# Copyright (c) 2023 Ravenbrook Limited <https://www.ravenbrook.com/>.
 #
-# 1. Redistributions of source code must retain the above copyright
-#    notice, this list of conditions and the following disclaimer.
+# Permission is hereby granted, free of charge, to any person
+# obtaining a copy of this software and associated documentation files
+# (the "Software"), to deal in the Software without restriction,
+# including without limitation the rights to use, copy, modify, merge,
+# publish, distribute, sublicense, and/or sell copies of the Software,
+# and to permit persons to whom the Software is furnished to do so,
+# subject to the following conditions:
+# 
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+# 
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
 #
-# 2. Redistributions in binary form must reproduce the above copyright
-#    notice, this list of conditions and the following disclaimer in the
-#    documentation and/or other materials provided with the
-#    distribution.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
-# IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
-# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
-# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+# .. _GitHub contributors: https://github.com/actions/starter-workflows/commits/1d9d6d7fb0a8a27ef98efbbfa9689cd14c906383/ci/c-cpp.yml
 #
 #
 # $Id$