diff --git a/en_US.ISO8859-1/books/fdp-primer/writing-style/chapter.xml b/en_US.ISO8859-1/books/fdp-primer/writing-style/chapter.xml
index f62ca3b921..34ee1cb695 100644
--- a/en_US.ISO8859-1/books/fdp-primer/writing-style/chapter.xml
+++ b/en_US.ISO8859-1/books/fdp-primer/writing-style/chapter.xml
@@ -71,8 +71,8 @@
 	rather than <quote>you can copy the file to
 	  <filename>/tmp</filename></quote>.</para>
 
-      <para>Give clear, correct examples.  A trivial example is better
-	than no example, but a good example is better yet.  Do not
+      <para>Give clear, correct, <emphasis>tested</emphasis> examples.  A trivial example is better
+	than no example.  A good example is better yet.  Do not
 	give bad examples, identifiable by apologies or sentences like
 	<quote>but really it should never be done that way</quote>.
 	Bad examples are worse than no examples.  Give good examples,