diff --git a/chapter08/libtool.xml b/chapter08/libtool.xml
index 2082c6cf9..e7eeb3ad9 100644
--- a/chapter08/libtool.xml
+++ b/chapter08/libtool.xml
@@ -52,7 +52,7 @@
 
 <para>To test the results<!--(about 11.0 SBU)-->, issue:</para>
 
-<screen><userinput remap="test">make check</userinput></screen>
+<screen><userinput remap="test">make -k check</userinput></screen>
 
     <note><para>The test time for libtool can be reduced significantly on a
     system with multiple cores.  To do this, append
@@ -61,8 +61,9 @@
     percent.</para></note>
 
     <para>Five tests are known to fail in the LFS build environment due
-    to a circular dependency, but all tests pass if rechecked after
-    automake is installed.</para>
+    to a circular dependency, but these tests pass if rechecked after
+    automake is installed.  Additionally, with grep-3.8, two tests will
+    trigger a warning for non-POSIX regular expressions and fail.</para>
 
     <para>Install the package:</para>