diff --git a/en_US.ISO8859-1/books/porters-handbook/versions/chapter.xml b/en_US.ISO8859-1/books/porters-handbook/versions/chapter.xml
index ba94682198..52b41ae84d 100644
--- a/en_US.ISO8859-1/books/porters-handbook/versions/chapter.xml
+++ b/en_US.ISO8859-1/books/porters-handbook/versions/chapter.xml
@@ -727,7 +727,7 @@ is spelled &amp;, < is &lt; and > is &gt;.
 	    <entry>1300078</entry>
 	    <entry><revnumber>358020</revnumber></entry>
 	    <entry>February 17, 2020</entry>
-	    <entry>13.0-CURRENT after changing 
+	    <entry>13.0-CURRENT after changing
 	       <literal>struct vnet</literal> and
 	       the VNET magic cookie.</entry>
 	  </row>
@@ -1768,7 +1768,7 @@ is spelled &amp;, < is &lt; and > is &gt;.
 	    <entry><revnumber>354613</revnumber></entry>
 	    <entry>November 11, 2019</entry>
 	    <entry>12-STABLE after enabling device class group attributes in the
-	      LinuxKPI. </entry> 
+	      LinuxKPI. </entry>
 	  </row>
 
 	  <row>
@@ -3373,7 +3373,7 @@ is spelled &amp;, < is &lt; and > is &gt;.
 	    <entry><revnumber>354616</revnumber></entry>
 	    <entry>November 11, 2019</entry>
 	    <entry>11-STABLE after enabling device class group attributes in the
-	      LinuxKPI. </entry> 
+	      LinuxKPI. </entry>
 	  </row>
 
 	  <row>