diff --git a/xep-0158.xml b/xep-0158.xml
index cdfae0e8..54734686 100644
--- a/xep-0158.xml
+++ b/xep-0158.xml
@@ -134,7 +134,7 @@
       <field type='hidden' var='from'><value>innocent@victim.com</value></field>
       <field type='hidden' var='sid'><value>spam1</value></field>
       <field var='ocr'>
-        <media xmlns='xmlns='urn:xmpp:tmp:media-element'
+        <media xmlns='urn:xmpp:tmp:media-element'
                height='80'
                width='290'>
           <uri type='image/jpeg'>
@@ -145,7 +145,7 @@
         </media>
       </field>
       <field var='picture_recog'>
-        <media xmlns='xmlns='urn:xmpp:tmp:media-element'
+        <media xmlns='urn:xmpp:tmp:media-element'
                height='150'
                width='150'>
           <uri type='image/jpeg'>
@@ -156,7 +156,7 @@
         </media>
       </field>
       <field var='speech_recog'>
-        <media xmlns='xmlns='urn:xmpp:tmp:media-element'>
+        <media xmlns='urn:xmpp:tmp:media-element'>
           <uri type='audio/x-wav'>
             http://www.victim.com/challenges/speech.wav?F3A6292C
           </uri>
@@ -166,7 +166,7 @@
         </media>
       </field>
       <field var='video_recog'>
-        <media xmlns='xmlns='urn:xmpp:tmp:media-element'
+        <media xmlns='urn:xmpp:tmp:media-element'
                height='150'
                width='150'>
           <uri type='video/mpeg'>
@@ -289,7 +289,7 @@
       <field type='hidden' var='sid'><value>spam2</value></field>
       <field type='hidden' var='answers'><value>2</value></field>
       <field var='ocr'>
-        <media xmlns='xmlns='urn:xmpp:tmp:media-element'
+        <media xmlns='urn:xmpp:tmp:media-element'
                height='80'
                width='290'>
           <uri type='image/jpeg'>
@@ -298,7 +298,7 @@
         </media>
       </field>
       <field var='audio_recog'>
-        <media xmlns='xmlns='urn:xmpp:tmp:media-element'>
+        <media xmlns='urn:xmpp:tmp:media-element'>
           <uri type='audio/x-wav'>
             http://www.victim.com/challenges/audio.wav?F3A6292C
           </uri>
@@ -357,7 +357,7 @@
       <field type='hidden' var='cid'><value>F3A6292C</value></field>
       <field type='hidden' var='answers'><value>3</value></field>
       <field var='ocr'>
-        <media xmlns='xmlns='urn:xmpp:tmp:media-element'
+        <media xmlns='urn:xmpp:tmp:media-element'
                height='80'
                width='290'>
           <uri type='image/jpeg'>
@@ -427,7 +427,7 @@
       <field type='hidden' var='from'><value>muc.victim.com</value></field>
       <field type='hidden' var='sid'><value>spam3</value></field>
       <field var='ocr'>
-        <media xmlns='xmlns='urn:xmpp:tmp:media-element'
+        <media xmlns='urn:xmpp:tmp:media-element'
                height='80'
                width='290'>
           <uri type='image/jpeg'>
@@ -438,7 +438,7 @@
         </media>
       </field>
       <field var='picture_recog'>
-        <media xmlns='xmlns='urn:xmpp:tmp:media-element'
+        <media xmlns='urn:xmpp:tmp:media-element'
                height='150'
                width='150'>
           <uri type='image/jpeg'>
@@ -449,7 +449,7 @@
         </media>
       </field>
       <field var='speech_recog'>
-        <media xmlns='xmlns='urn:xmpp:tmp:media-element'>
+        <media xmlns='urn:xmpp:tmp:media-element'>
           <uri type='audio/x-wav'>
             http://www.victim.com/challenges/speech.wav?A4C7303D
           </uri>
@@ -459,7 +459,7 @@
         </media>
       </field>
       <field var='video_recog'>
-        <media xmlns='xmlns='urn:xmpp:tmp:media-element'
+        <media xmlns='urn:xmpp:tmp:media-element'
                height='150'
                width='150'>
           <uri type='video/mpeg'>