diff --git a/en_US.ISO8859-1/books/handbook/firewalls/chapter.sgml b/en_US.ISO8859-1/books/handbook/firewalls/chapter.sgml
index 8bfcac890e..1af986001e 100644
--- a/en_US.ISO8859-1/books/handbook/firewalls/chapter.sgml
+++ b/en_US.ISO8859-1/books/handbook/firewalls/chapter.sgml
@@ -332,7 +332,7 @@ pflog_flags=""                  # additional flags for pflogd startup</programli
       state</quote> option which drastically modernized the rules
       processing logic. IPF's official documentation covers the legacy
       rule coding parameters and the legacy rule file processing
-      logic. the modernized functions are only included as additional
+      logic. The modernized functions are only included as additional
       options, completely understating their benefits in producing a
       far superior secure firewall.</para>