diff --git a/LDP/guide/docbook/nag2/ch23.sgm b/LDP/guide/docbook/nag2/ch23.sgm
index 34875e42..4dc34f28 100644
--- a/LDP/guide/docbook/nag2/ch23.sgm
+++ b/LDP/guide/docbook/nag2/ch23.sgm
@@ -496,7 +496,7 @@ articles. If we post 5 articles, they will be numbered 1 through
 numbered article, and <replaceable>lowmark</replaceable> will equal 1,
 the lowest active article. If article 5 is cancelled there will be no
 change; <replaceable>himark</replaceable> will remain at 5 to ensure
-that that article number is not reallocated and
+that the article number is not reallocated and
 <replaceable>lowmark</replaceable> will remain at 1, the lowest active
 article. If we now cancel article 1, <replaceable>himark</replaceable>
 will remain unchanged, but <replaceable>lowmark</replaceable> will now