Update firstrun.sh

firstrun.sh

@@ -56,6 +56,6 @@ if [ -f /var/www/html/configurations/ossn.config.site ]; then
 else
   echo "Creating OSSN Site config from template."
   cp /var/www/html/configurations/ossn.config.site.example.php /var/www/html/configurations/ossn.config.site.php
-  sed "s/<<siteurl>>/$servername" /var/www/html/configurations/ossn.config.site.php
-  sed "s/<<datadir>>/$DataDirectory" /var/www/html/configurations/ossn.config.site.php
+  sed "s/<<siteurl>>/$servername/g" /var/www/html/configurations/ossn.config.site.php
+  sed "s/<<datadir>>/$DataDirectory/g" /var/www/html/configurations/ossn.config.site.php
 fi