diff --git a/bin/dnssec/dnssec-signzone.docbook b/bin/dnssec/dnssec-signzone.docbook
index e427fc1266..e7ed8a4a71 100644
--- a/bin/dnssec/dnssec-signzone.docbook
+++ b/bin/dnssec/dnssec-signzone.docbook
@@ -680,7 +680,7 @@
         <term>-H <replaceable class="parameter">iterations</replaceable></term>
         <listitem>
           <para>
-	    When generating an NSEC3 chain, use this many interations.  The
+	    When generating an NSEC3 chain, use this many iterations.  The
 	    default is 10.
           </para>
         </listitem>
diff --git a/doc/arm/Bv9ARM-book.xml b/doc/arm/Bv9ARM-book.xml
index 12ea9996e3..28d8f42604 100644
--- a/doc/arm/Bv9ARM-book.xml
+++ b/doc/arm/Bv9ARM-book.xml
@@ -6678,7 +6678,7 @@ options {
                   (see <xref linkend="man.dnssec-keygen"/> and
                   <xref linkend="man.dnssec-settime"/>).  The
                   <command>dnssec-loadkeys-interval</command> option
-                  sets the frequency of autoatic repository checks, in
+                  sets the frequency of automatic repository checks, in
                   minutes.  The default is <literal>60</literal> (1 hour),
                   the minimum is <literal>1</literal> (1 minute), and the
                   maximum is <literal>1440</literal> (24 hours); any higher