diff --git a/input/chapter01/chapter01.xml b/input/chapter01/chapter01.xml
index 252a2cdb..84edc733 100644
--- a/input/chapter01/chapter01.xml
+++ b/input/chapter01/chapter01.xml
@@ -1878,7 +1878,7 @@
 	available bits to represent the sign, mantissa and exponent of
 	a decimal number.  A decimal number is represented by
 	<computeroutput>sign &#xD7; significand &#xD7;
-	2^<superscript>exponent</superscript></computeroutput>.</para>
+	10^<superscript>exponent</superscript></computeroutput>.</para>
         <para>The sign bit equates to either
 	<computeroutput>1</computeroutput> or
 	<computeroutput>-1</computeroutput>.  Since we are working in