Lower case

src/freedombone-app-privatebin

     sed -i 's|never =|; never =|g' /var/www/$PRIVATEBIN_DOMAIN_NAME/htdocs/cfg/conf.php
     sed -i 's|limit =.*|limit = 30|g' /var/www/$PRIVATEBIN_DOMAIN_NAME/htdocs/cfg/conf.php
     sed -i 's|sizelimit =.*|sizelimit = 32768|g' /var/www/$PRIVATEBIN_DOMAIN_NAME/htdocs/cfg/conf.php
-    sed -i 's|defaultformatter =.*|defaultformatter = "Markdown"|g' /var/www/$PRIVATEBIN_DOMAIN_NAME/htdocs/cfg/conf.php
+    sed -i 's|defaultformatter =.*|defaultformatter = "markdown"|g' /var/www/$PRIVATEBIN_DOMAIN_NAME/htdocs/cfg/conf.php
 
     secure_privatebin