fix meta tag

Buildings/HouseBarisAktop/House.x3d

@@ -5,10 +5,12 @@
     <meta content='House.x3d' name='title'/>
     <meta content='A house model with basic furniture, appliances and and animated doors.' name='description'/>
     <meta content='20 July 2002' name='created'/>
-    <meta content='20 October 2019' name='modified'/>
+    <meta content='7 April 2024' name='modified'/>
     <meta content='Baris Aktop' name='creator'/>
     <meta content='All sound effects can be used in any school project' name='rights'/>
-    <meta content='waterflow.wav, dooorbell.wav, toiletflush.wav' name='audio files'/>
+    <meta content='waterflow.wav' name='Sound'/>
+    <meta content='doorbell.wav' name='Sound'/>
+    <meta content='toiletflush.wav' name='Sound'/>
     <meta content='http://www.a1freesoundeffects.com/household.html' name='reference'/>
     <meta content='house' name='subject'/>
     <meta content='https://savage.nps.edu/Savage/Buildings/HouseBarisAktop/House.x3d' name='identifier'/>