diff --git a/chapter06/gmp.xml b/chapter06/gmp.xml
index 2fa742a9b..f10c283b5 100644
--- a/chapter06/gmp.xml
+++ b/chapter06/gmp.xml
@@ -89,7 +89,7 @@ make html</userinput></screen>
 
 <screen><userinput remap="test">make check 2>&amp;1 | tee gmp-check-log</userinput></screen>
 
-    <para>Ensure that all 185 tests in the test suite passed.
+    <para>Ensure that all 188 tests in the test suite passed.
     Check the results by issuing the following command:</para>
 
 <screen><userinput remap="test">awk '/tests passed/{total+=$2} ; END{print total}' gmp-check-log</userinput></screen>