Update README.md

Co-authored-by: Carmelo Cascone <carmelo@opennetworking.org>
omec-project · Mar 4, 2022 · 0e9d6e6 · 0e9d6e6
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@@ -19,7 +19,7 @@ The UPF implementation is a part of [the Aether platform](https://opennetworking
 
 The UPF implementation consists of two layers: 
 
-- **the PFCP Agent** (_pfcpiface_) implements the northbound interface of UPF and exposes the PFCP endpoint to the 4G/5G control plane.
+- **PFCP Agent:** (_pfcpiface_) a Go-based implementation of the PFCP northbound API used to interact with the mobile core control plane.
 - **fastpath** implements a data plane of UPF. The PFCP Agent implements fastpath plugins that translate the 
   PFCP semantics to the fastpath-specific data plane configuration. We currently support two fastpath implementations: 
   - BESS-UPF - the UPF implementation that is build on top of [Berkeley Extensible Software Switch](https://github.com/NetSys/bess/) (BESS) programmable framework.