diff --git a/chapter03/introduction.xml b/chapter03/introduction.xml
index c7451f055..63ec046b5 100644
--- a/chapter03/introduction.xml
+++ b/chapter03/introduction.xml
@@ -54,11 +54,11 @@
 
   <itemizedlist>
     <listitem>
-      <para>The files can be downloaded individually as described in the 
+      <para>The files can be downloaded individually as described in the
       next two sections.</para>
     </listitem>
     <listitem>
-      <para>For stable versions of the book, a tarball of all the needed files 
+      <para>For stable versions of the book, a tarball of all the needed files
       can be downloaded from one of the LFS files mirrors listed at
       <ulink url="https://www.linuxfromscratch.org/mirrors.html#files"/>.</para>
     </listitem>
@@ -83,7 +83,7 @@
   md5sum -c md5sums
 popd</userinput></screen>
 
-  <para>This check can be used after retrieving the needed files with any of the 
+  <para>This check can be used after retrieving the needed files with any of the
   methods listed above.</para>
 
 </sect1>
diff --git a/chapter03/packages.xml b/chapter03/packages.xml
index 191f7f921..a0e6ec1f5 100644
--- a/chapter03/packages.xml
+++ b/chapter03/packages.xml
@@ -440,7 +440,7 @@
         <note>
           <para>The Linux kernel is updated relatively often, many times due to
           discoveries of security vulnerabilities.  The latest available
-          <!--&linux-major-version;.&linux-minor-version;.x--> stable kernel 
+          <!--&linux-major-version;.&linux-minor-version;.x--> stable kernel
           version <!--should--> may be
           used, unless the errata page says otherwise.</para>