diff --git a/doc/manual/builtins.xml b/doc/manual/builtins.xml
index 3eee36f2..c7ebcc9a 100644
--- a/doc/manual/builtins.xml
+++ b/doc/manual/builtins.xml
@@ -324,6 +324,16 @@ x: x + 456</programlisting>
   </varlistentry>
 
   
+  <varlistentry><term><function>builtins.intersectAttrs</function>
+  <replaceable>e1</replaceable> <replaceable>e2</replaceable></term>
+
+    <listitem><para>Return an attribute set consisting of the
+    attributes in the set <replaceable>e2</replaceable> that also
+    exist in the set <replaceable>e1</replaceable>.</para></listitem>
+
+  </varlistentry>
+        
+    
   <varlistentry><term><function>builtins.isAttrs</function>
   <replaceable>e</replaceable></term>
 
diff --git a/doc/manual/release-notes.xml b/doc/manual/release-notes.xml
index bf79840d..81543d31 100644
--- a/doc/manual/release-notes.xml
+++ b/doc/manual/release-notes.xml
@@ -8,7 +8,7 @@
 
 <!--==================================================================-->
 
-<section xml:id="ssec-relnotes-0.13"><title>Release 0.13 (September NN,
+<section xml:id="ssec-relnotes-0.13"><title>Release 0.13 (November 4,
 2009)</title>
 
 <para>This is primarily a bug fix release.  It has some new
@@ -85,7 +85,25 @@ features:</para>
     add a string to stack traces — useful for debugging),
     <varname>builtins.isBool</varname>,
     <varname>builtins.isString</varname>,
-    <varname>builtins.isInt</varname>.</para>
+    <varname>builtins.isInt</varname>,
+    <varname>builtins.intersectAttrs</varname>.</para>
+  </listitem>
+
+  <listitem>
+    <para>OpenSolaris support (Sander van der Burg).</para>
+  </listitem>
+
+  <listitem>
+    <para>Stack traces are no longer displayed unless the
+    <option>--show-trace</option> option is used.</para>
+  </listitem>
+
+  <listitem>
+    <para>The scoping rules for <literal>inherit
+    (<replaceable>e</replaceable>) ...</literal> in recursive
+    attribute sets have changed.  The expression
+    <replaceable>e</replaceable> can now refer to the attributes
+    defined in the containing set.</para>
   </listitem>
 
 </itemizedlist>