diff --git a/doc/arm/Bv9ARM-book.xml b/doc/arm/Bv9ARM-book.xml
index 108732fb27..8c65b41846 100644
--- a/doc/arm/Bv9ARM-book.xml
+++ b/doc/arm/Bv9ARM-book.xml
@@ -11636,8 +11636,8 @@ view "external" {
 	      <tgroup cols="2" colsep="0" rowsep="0" tgroupstyle="3Level-table">
 		<!--colspec colname="1" colnum="1" colsep="0" colwidth="1.108in"/-->
 		<!--colspec colname="2" colnum="2" colsep="0" colwidth="4.017in"/-->
-		<colspec colname="1" colnum="1" colsep="0"/>
-		<colspec colname="2" colnum="2" colsep="0" colwidth="4.017in"/>
+		<colspec colname="1" colnum="1" colsep="0" colwidth="*"/>
+		<colspec colname="2" colnum="2" colsep="0" colwidth="4*"/>
 		<tbody>
 		  <row rowsep="0">
 		    <entry colname="1">