2 files changed, 15 insertions, 3 deletions

diff --git a/Help/manual/ctest.1.rst b/Help/manual/ctest.1.rst
index 5f953b3..d3ab75a 100644
--- a/Help/manual/ctest.1.rst
+++ b/Help/manual/ctest.1.rst
@@ -1410,9 +1410,16 @@ Resource Specification File
 
 The resource specification file is a JSON file which is passed to CTest, either
 on the :manual:`ctest(1)` command line as ``--resource-spec-file``, or as the
-``RESOURCE_SPEC_FILE`` argument of :command:`ctest_test`. The resource
-specification file must be a JSON object. All examples in this document assume
-the following resource specification file:
+``RESOURCE_SPEC_FILE`` argument of :command:`ctest_test`. If a dashboard script
+is used and ``RESOURCE_SPEC_FILE`` is not specified, the value of
+:variable:`CTEST_RESOURCE_SPEC_FILE` in the dashboard script is used instead.
+If ``--resource-spec-file``, ``RESOURCE_SPEC_FILE``, and
+:variable:`CTEST_RESOURCE_SPEC_FILE` in the dashboard script are not specified,
+the value of :variable:`CTEST_RESOURCE_SPEC_FILE` in the CMake build is used
+instead. If none of these are specified, no resource spec file is used.
+
+The resource specification file must be a JSON object. All examples in this
+document assume the following resource specification file:
 
 .. code-block:: json
 
diff --git a/Help/variable/CTEST_RESOURCE_SPEC_FILE.rst b/Help/variable/CTEST_RESOURCE_SPEC_FILE.rst
index 59f365f..a6fdbc9 100644
--- a/Help/variable/CTEST_RESOURCE_SPEC_FILE.rst
+++ b/Help/variable/CTEST_RESOURCE_SPEC_FILE.rst
@@ -3,3 +3,8 @@ CTEST_RESOURCE_SPEC_FILE
 
 Specify the CTest ``ResourceSpecFile`` setting in a :manual:`ctest(1)`
 dashboard client script.
+
+This can also be used to specify the resource spec file from a CMake build. If
+no ``RESOURCE_SPEC_FILE`` is passed to :command:`ctest_test`, and
+``CTEST_RESOURCE_SPEC_FILE`` is not specified in the dashboard script, the
+value of this variable from the build is used.