diff --git a/chapter01/changelog.xml b/chapter01/changelog.xml
index bc7bfdcc4..d01d9e13f 100644
--- a/chapter01/changelog.xml
+++ b/chapter01/changelog.xml
@@ -40,6 +40,12 @@
     <listitem>
       <para>2009-05-17</para>
       <itemizedlist>
+        <listitem>
+          <para>[bdubbs] - Change reference to /etc/udev/rules.d to /lib/udev/rules.d
+          in two instances.  Add a sed to fix zdiff operation.
+          Finishes problems identified in 
+          <ulink url="&lfs-ticket-root;2315">#2315</ulink>.</para>
+        </listitem>
         <listitem>
           <para>[bdubbs] - Ignore error in ifdown script when determining status.</para>
         </listitem>
diff --git a/chapter06/gzip.xml b/chapter06/gzip.xml
index 1640517c1..4447704ab 100644
--- a/chapter06/gzip.xml
+++ b/chapter06/gzip.xml
@@ -47,6 +47,11 @@
 
 <screen><userinput remap="pre">sed -i 's/futimens/gl_&amp;/' gzip.c lib/utimens.{c,h}</userinput></screen>
 
+    <para>There is also a bug in the <filename>zdiff</filename> script that
+    needs to be fixed:</para>
+
+<screen><userinput remap="pre">sed -i 's/5 -)/5 - >\&amp;3)/' zdiff.in</userinput></screen>
+
     <para>Prepare Gzip for compilation:</para>
 
 <screen><userinput remap="configure">./configure --prefix=/usr --bindir=/bin</userinput></screen>
diff --git a/chapter07/symlinks.xml b/chapter07/symlinks.xml
index 1ddfa62ea..065a62f5b 100644
--- a/chapter07/symlinks.xml
+++ b/chapter07/symlinks.xml
@@ -72,12 +72,12 @@
 
     <para>If the default mode is not suitable for your situation, then the
     following modification can be made to the
-    <filename>/etc/udev/rules.d/75-cd-aliases-generator.rules</filename> file,
+    <filename>/lib/udev/rules.d/75-cd-aliases-generator.rules</filename> file,
     as follows (where <replaceable>mode</replaceable> is one of
     <quote>by-id</quote> or <quote>by-path</quote>):</para>
 
 <screen role="nodump"><userinput>sed -i -e 's/write_cd_rules/&amp; <replaceable>mode</replaceable>/' \
-    /etc/udev/rules.d/75-cd-aliases-generator.rules</userinput></screen>
+    /lib/udev/rules.d/75-cd-aliases-generator.rules</userinput></screen>
 
     <para>Note that it is not necessary to create the rules files or symlinks
     at this time, because you have bind-mounted the host's
@@ -111,7 +111,7 @@
     fixable by creating udev rules for custom persistent symlinks.
     The case of network cards is covered separately in
     <xref linkend="ch-scripts-network"/>, and sound card configuration can
-    be found in <ulink url="&blfs-root;">BLFS</ulink>.</para>
+    be found in <ulink url="&blfs-root;view/svn/postlfs/devices.html">BLFS</ulink>.</para>
 
     <para>For each of your devices that is likely to have this problem
     (even if the problem doesn't exist in your current Linux distribution),