Fix path to dummy/example plugin
This link now works as expected on github
@@ -37,7 +37,7 @@ Engineers should be able to integrate support for new data systems and storage s
| [Xtra Backup](https://godoc.org/github.com/starkandwayne/shield/plugin/xtrabackup) | xtrabackup | X | |
**See a missing plugin? Create one and submit a PR**<br>
-[Example Plugin Stub](../plugin/dummy)
+[Example Plugin Stub](/plugin/dummy)
## Target Plugins
