diff --git a/chapter08/gawk.xml b/chapter08/gawk.xml
index 192cc9f32..3e177948e 100644
--- a/chapter08/gawk.xml
+++ b/chapter08/gawk.xml
@@ -54,7 +54,8 @@
 
     <para>To test the results, issue:</para>
 
-<screen><userinput remap="test">make check</userinput></screen>
+<screen><userinput remap="test">chown -Rv tester .
+su tester -c "PATH=$PATH make check"</userinput></screen>
 
     <para>Install the package:</para>
 
diff --git a/chapter08/systemd.xml b/chapter08/systemd.xml
index 545f47889..e99167d07 100644
--- a/chapter08/systemd.xml
+++ b/chapter08/systemd.xml
@@ -42,8 +42,8 @@
 
     <para>
       Remove several inappropriate uses of the <literal>pure</literal>
-      attribute or they'd cause runtime issues when the package is built
-      with GCC 13 or later:
+      attribute that cause runtime issues when the package is built
+      with gcc-13 or later:
     </para>
 
 <screen><userinput remap='pre'>sed '/bus_message_type_from_string/s/_pure_//' \