diff --git a/Help/envvar/CTEST_USE_INSTRUMENTATION.rst b/Help/envvar/CTEST_USE_INSTRUMENTATION.rst
index 6e33845bf5..b00c92d827 100644
--- a/Help/envvar/CTEST_USE_INSTRUMENTATION.rst
+++ b/Help/envvar/CTEST_USE_INSTRUMENTATION.rst
@@ -10,6 +10,6 @@ CTEST_USE_INSTRUMENTATION
    This feature is only available when experimental support for instrumentation
    has been enabled by the ``CMAKE_EXPERIMENTAL_INSTRUMENTATION`` gate.
 
-Setting this environment variable enables
+Setting this environment variable to ``1``, ``True``, or ``ON`` enables
 :manual:`instrumentation <cmake-instrumentation(7)>` for CTest in
 :ref:`Dashboard Client` mode.
diff --git a/Help/envvar/CTEST_USE_VERBOSE_INSTRUMENTATION.rst b/Help/envvar/CTEST_USE_VERBOSE_INSTRUMENTATION.rst
index 95053e4cb6..4a119aa9ed 100644
--- a/Help/envvar/CTEST_USE_VERBOSE_INSTRUMENTATION.rst
+++ b/Help/envvar/CTEST_USE_VERBOSE_INSTRUMENTATION.rst
@@ -10,8 +10,9 @@ CTEST_USE_VERBOSE_INSTRUMENTATION
    This feature is only available when experimental support for instrumentation
    has been enabled by the ``CMAKE_EXPERIMENTAL_INSTRUMENTATION`` gate.
 
-Setting this environment variable causes CTest to report the full
-command line (including arguments) to CDash for each instrumented command.
-By default, CTest truncates the command line at the first space.
+Setting this environment variable to ``1``, ``True``, or ``ON`` causes CTest to
+report the full command line (including arguments) to CDash for each
+instrumented command. By default, CTest truncates the command line at the first
+space.
 
 See also :envvar:`CTEST_USE_INSTRUMENTATION`
diff --git a/Help/manual/cmake-instrumentation.7.rst b/Help/manual/cmake-instrumentation.7.rst
index 4f6df4ea8e..c0b1e1ce10 100644
--- a/Help/manual/cmake-instrumentation.7.rst
+++ b/Help/manual/cmake-instrumentation.7.rst
@@ -98,8 +98,7 @@ Enabling Instrumentation for CDash Submissions
 ----------------------------------------------
 
 You can enable instrumentation when using CTest in :ref:`Dashboard Client`
-mode by setting the :envvar:`CTEST_USE_INSTRUMENTATION` environment variable
-to the current UUID for the ``CMAKE_EXPERIMENTAL_INSTRUMENTATION`` feature.
+mode by setting the :envvar:`CTEST_USE_INSTRUMENTATION` environment variable.
 Doing so automatically enables the ``dynamicSystemInformation`` option.
 
 The following table shows how each type of instrumented command gets mapped