Efficiency - Do all your employees know the quickest way to fix small web errors?
Imagine this scenario... Mary notices a small error on a page in her intranet. She is a good employee... She opens up the backlog and reports the spelling error. As she sends it she says to herself "That took more time to report the error than it would have taken me to fix it".
Small errors should be fixed by the person who found them. Text changes can be easily done in SharePoint or WordPress. If you know who the culprit is, it might be a good idea to inform that person, including the things you have fixed.