diff --git a/en_US.ISO8859-1/books/fdp-primer/sgml-primer/chapter.sgml b/en_US.ISO8859-1/books/fdp-primer/sgml-primer/chapter.sgml
index 5806d278ff..794c16a94e 100644
--- a/en_US.ISO8859-1/books/fdp-primer/sgml-primer/chapter.sgml
+++ b/en_US.ISO8859-1/books/fdp-primer/sgml-primer/chapter.sgml
@@ -986,7 +986,7 @@ nsgmls:example.sgml:6:8:E: end tag for "HEAD" which is not finished</screen>
 
       <para>Like <link linkend="sgml-primer-general-entities">general
 	  entities</link>, parameter entities are used to assign names to
-	reusable chunks of text.  However, where as general entities can only
+	reusable chunks of text.  However, whereas general entities can only
 	be used within your document, parameter entities can only be used
 	within an <link linkend="sgml-primer-sgml-escape">SGML
 	  context</link>.</para>