diff --git a/doc/misc/ert.texi b/doc/misc/ert.texi
index 35d315c..d29c1d8 100644
--- a/doc/misc/ert.texi
+++ b/doc/misc/ert.texi
@@ -283,6 +283,15 @@ Running Tests in Batch Mode
 failed or if anything else went wrong.  It will also print progress
 messages and error diagnostics to standard output.
 
+You can also redirect the above output to a log file, say
address@hidden, and use the
address@hidden function to produce a neat
+summary as shown below:
+
address@hidden
+emacs -batch -l ert -f ert-summarize-tests-batch-and-exit output.log
address@hidden example
+
 If ERT is not part of your Emacs distribution, you may need to use
 @code{-L /path/to/ert/} so that Emacs can find it.  You may need
 additional @code{-L} flags to ensure that @code{my-tests.el} and all the
diff --git a/etc/NEWS b/etc/NEWS
index 19c9858..f1ba79f 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -696,7 +696,11 @@ The remainder were:
 
 **** The nil and list forms of `diary-display-function'.
 
++++
 ** New ERT function `ert-summarize-tests-batch-and-exit'.
+If the output of ERT tests in batch mode execution can be saved to a
+log file, then it can be passed as an argument to the above function
+to produce a neat summary.
 
 ** New js.el option `js-indent-first-init'.