fix page-internal link
This closes
@@ -27,7 +27,7 @@ reliable system to process and distribute data.
- [Features](#features)
- [Requirements](#requirements)
- [Getting Started](#getting-started)
-- [MiNiFi subproject](#minifi)
+- [MiNiFi subproject](#minifi-subproject)
- [Getting Help](#getting-help)
- [Documentation](#documentation)
- [License](#license)
