diff --git a/en_US.ISO8859-1/books/handbook/network-servers/chapter.sgml b/en_US.ISO8859-1/books/handbook/network-servers/chapter.sgml
index 545c22f19a..584dbdbb82 100644
--- a/en_US.ISO8859-1/books/handbook/network-servers/chapter.sgml
+++ b/en_US.ISO8859-1/books/handbook/network-servers/chapter.sgml
@@ -3643,7 +3643,7 @@ example.org.    IN      SOA      ns1.example.org. admin.example.org. (
                                 10800           ; Refresh
                                 3600            ; Retry
                                 604800          ; Expire
-                                300             ; Negative Reponse TTL
+                                300             ; Negative Response TTL
                         )
 
 ; DNS Servers
@@ -3727,7 +3727,7 @@ www             IN      CNAME   example.org.</programlisting>
                         10800           ; Refresh after 3 hours
                         3600            ; Retry after 1 hour
                         604800          ; Expire after 1 week
-                        300 )           ; Negative Reponse TTL</programlisting>
+                        300 )           ; Negative Response TTL</programlisting>
 
 	<variablelist>
 	  <varlistentry>
@@ -3839,7 +3839,7 @@ mail            IN      A       192.168.1.5</programlisting>
                         10800           ; Refresh
                         3600            ; Retry
                         604800          ; Expire
-                        300 )           ; Negative Reponse TTL
+                        300 )           ; Negative Response TTL
 
         IN      NS      ns1.example.org.
         IN      NS      ns2.example.org.