diff --git a/en_US.ISO8859-1/books/fdp-primer/writing-style/chapter.sgml b/en_US.ISO8859-1/books/fdp-primer/writing-style/chapter.sgml
index 7a69bf0704..e1663be558 100644
--- a/en_US.ISO8859-1/books/fdp-primer/writing-style/chapter.sgml
+++ b/en_US.ISO8859-1/books/fdp-primer/writing-style/chapter.sgml
@@ -400,7 +400,7 @@ GB.  Hardware compression &hellip;</literallayout>
       </listitem>
 
       <listitem>
-	<para>CDROM</para>
+	<para>CD-ROM</para>
       </listitem>
 
       <listitem>