diff --git a/doc/emacs/ChangeLog b/doc/emacs/ChangeLog
index 54cd9fe9b92..6ff188a3da0 100644
--- a/doc/emacs/ChangeLog
+++ b/doc/emacs/ChangeLog
@@ -1,3 +1,7 @@
+2012-02-05  Glenn Morris  <rgm@gnu.org>
+
+	* maintaining.texi (Maintaining): Add cross-ref to ERT.
+
 2012-02-04  Glenn Morris  <rgm@gnu.org>
 
 	* macos.texi (Customization options specific to Mac OS / GNUstep):
diff --git a/doc/emacs/maintaining.texi b/doc/emacs/maintaining.texi
index 2ec477031ca..984c65fbf2c 100644
--- a/doc/emacs/maintaining.texi
+++ b/doc/emacs/maintaining.texi
@@ -6,7 +6,9 @@
 @chapter Maintaining Large Programs
 
   This chapter describes Emacs features for maintaining large
-programs.
+programs.  In addition to the features described here, you may find
+the @file{ERT} (``Emacs Lisp Regression Testing'') library useful in
+this context (@pxref{Top,,ERT,ert, Emacs Lisp Regression Testing}).
 
 @menu
 * Version Control::     Using version control systems.
diff --git a/etc/NEWS b/etc/NEWS
index b50e04d2179..45d27ae0160 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -1071,6 +1071,7 @@ of function value which looks like (closure ENV ARGS &rest BODY).
 *** New function `special-variable-p' to check whether a variable is
 declared as dynamically bound.
 
++++
 ** An Emacs Lisp testing tool is now included.
 Emacs Lisp developers can use this tool to write automated tests for
 their code.  See the ERT info manual for details.