diff --git a/testing/docs/automated-testing/index.rst b/testing/docs/automated-testing/index.rst
index 159b5f9c7c75..3eeed53892c3 100644
--- a/testing/docs/automated-testing/index.rst
+++ b/testing/docs/automated-testing/index.rst
@@ -251,14 +251,16 @@ Need to get more data out of your tests?
 ----------------------------------------
 
 Most test jobs now expose an environment variable named
-``$MOZ_UPLOAD_DIR``. If this variable is set during automated test runs,
+``MOZ_UPLOAD_DIR``. If this variable is set during automated test runs,
 you can drop additional files into this directory, and they will be
 uploaded to a web server when the test finishes. The URLs to retrieve
 the files will be output in the test log.
 
-Passing ``$MOZ_RECORD_TEST=1`` as an environment variable when running some
-tests (e.g. mochitests) on Linux platform will trigger a recording of the
-desktop with GNOME Screencast.
+Passing ``MOZ_RECORD_TEST=1`` as an environment variable when running some
+tests (e.g. mochitests) on Linux Desktop and macOS will trigger a recording of the
+desktop with GNOME Screencast. This works on try as well, in which case the video
+file will be uploaded as an artifact and available in the
+``Artifacts and Debugging Tools`` panel on Treeherder.
 
 .. _Need_to_set_preferences_for_test-suites:
 
diff --git a/tools/tryselect/docs/index.rst b/tools/tryselect/docs/index.rst
index c42b7fbfb849..2966c749ef49 100644
--- a/tools/tryselect/docs/index.rst
+++ b/tools/tryselect/docs/index.rst
@@ -28,6 +28,15 @@ try:
 
    ./mach try fuzzy --env MOZ_LOG=cubeb:4
 
+On macOS and Linux Desktop, it is also possible to get a screen recording of the test run:
+
+.. code-block:: shell
+
+   ./mach try fuzzy --env MOZ_RECORD_TEST=1
+
+The screen recording will be in the ``Artifacts and Debugging Tools`` section on Treeherder.
+
+
 Resolving "<Try build> is damaged and can't be opened" error
 ------------------------------------------------------------