diff --git a/en_US.ISO8859-1/books/handbook/eresources/chapter.xml b/en_US.ISO8859-1/books/handbook/eresources/chapter.xml
index b4003d0fee..aede3aadb4 100644
--- a/en_US.ISO8859-1/books/handbook/eresources/chapter.xml
+++ b/en_US.ISO8859-1/books/handbook/eresources/chapter.xml
@@ -542,6 +542,11 @@
 	      <entry>FreeBSD-specific Tcl/Tk discussions</entry>
 	    </row>
 
+	    <row>
+	      <entry>&a.testing.name;</entry>
+	      <entry>Testing on &os;</entry>
+	    </row>
+
 	    <row>
 	      <entry>&a.threads.name;</entry>
 	      <entry>Threading in FreeBSD</entry>
@@ -1803,6 +1808,19 @@
 	  </listitem>
 	</varlistentry>
 
+	<varlistentry>
+	  <term>&a.testing.name;</term>
+
+	  <listitem>
+	    <para><emphasis>Testing on &os;</emphasis></para>
+
+	    <para>Technical mailing list discussing testing on &os;,
+	      including ATF/Kyua, test build infrastructure,
+	      port tests to &os; from other operating systems
+	      (NetBSD, ...), etc.</para>
+	  </listitem>
+	</varlistentry>
+
 	<varlistentry>
 	  <term>&a.toolchain.name;</term>
 
diff --git a/en_US.ISO8859-1/share/xml/mailing-lists.ent b/en_US.ISO8859-1/share/xml/mailing-lists.ent
index 5e304ce9dd..e0f8247733 100644
--- a/en_US.ISO8859-1/share/xml/mailing-lists.ent
+++ b/en_US.ISO8859-1/share/xml/mailing-lists.ent
@@ -518,6 +518,10 @@
 <!ENTITY a.test "<ulink url='&a.test.url;'>FreeBSD test mailing list</ulink>">
 <!ENTITY a.test.name "<ulink url='&a.test.url;'>freebsd-test</ulink>">
 
+<!ENTITY a.testing.url "&a.mailman.listinfo;/freebsd-testing">
+<!ENTITY a.testing "<ulink url='&a.testing.url;'>Testing on &os;</ulink>">
+<!ENTITY a.testing.name "<ulink url='&a.testing.url;'>freebsd-testing</ulink>">
+
 <!ENTITY a.threads.url "&a.mailman.listinfo;/freebsd-threads">
 <!ENTITY a.threads "<ulink url='&a.threads.url;'>FreeBSD threads mailing list</ulink>">
 <!ENTITY a.threads.name "<ulink url='&a.threads.url;'>freebsd-threads</ulink>">