diff --git a/chapter06/mpfr.xml b/chapter06/mpfr.xml
index b911d70c3..2bc943129 100644
--- a/chapter06/mpfr.xml
+++ b/chapter06/mpfr.xml
@@ -55,7 +55,7 @@
       Do not skip it under any circumstances.</para>
     </important>
 
-    <para>Test the results and ensure that all 148 tests passed:</para>
+    <para>Test the results and ensure that all tests passed:</para>
 
 <screen><userinput remap="test">make check</userinput></screen>