diff --git a/bin/dig/dig.1 b/bin/dig/dig.1
index 8684aae992..de8e7cb597 100644
--- a/bin/dig/dig.1
+++ b/bin/dig/dig.1
@@ -359,7 +359,7 @@ and optionally payload of
 \fBvalue\fR
 as a hexadecimal string.
 \fB+noednsopt\fR
-clears the EDNS options to to be sent.
+clears the EDNS options to be sent.
 .RE
 .PP
 \fB+[no]expire\fR
diff --git a/bin/dig/dig.html b/bin/dig/dig.html
index 1be764e58a..66971c8691 100644
--- a/bin/dig/dig.html
+++ b/bin/dig/dig.html
@@ -383,7 +383,7 @@
 	      Specify EDNS option with code point <code class="option">code</code>
 	      and optionally payload of <code class="option">value</code> as a
 	      hexadecimal string.  <code class="option">+noednsopt</code>
-	      clears the EDNS options to to be sent.
+	      clears the EDNS options to be sent.
 	    </p></dd>
 <dt><span class="term"><code class="option">+[no]expire</code></span></dt>
 <dd><p>
diff --git a/doc/arm/man.dig.html b/doc/arm/man.dig.html
index 1572fec05b..d120664a42 100644
--- a/doc/arm/man.dig.html
+++ b/doc/arm/man.dig.html
@@ -401,7 +401,7 @@
 	      Specify EDNS option with code point <code class="option">code</code>
 	      and optionally payload of <code class="option">value</code> as a
 	      hexadecimal string.  <code class="option">+noednsopt</code>
-	      clears the EDNS options to to be sent.
+	      clears the EDNS options to be sent.
 	    </p></dd>
 <dt><span class="term"><code class="option">+[no]expire</code></span></dt>
 <dd><p>