Update index.md

docs/assets/documents/ecore/index.md

@@ -66,9 +66,10 @@ In addition to the primary flow, ehmiEnvelopeReceipt will be sent from the Recei
 ### Layers
 
 It is important to note that while the overall architecture seems to indicate a flow between the components in the architecture, there are also logical flows between components not directly connected to each other.
-- EUA's communicate logically with EUA's
-- MSH's communicate logically with MSH's
-- AP's communicate logically with AP's
+- EUs (End User) communicate logically with EUs (End User)
+- EUAs communicate logically with EUAs
+- MSHs communicate logically with MSHs
+- APs communicate logically with APs
 
 <figure style="margin-left: 0px; margin-right: 0px; width: 100%;">
 <a href="https://medcomdk.github.io/ehmi/assets/images/ehmi-Layers.png" target="_blank"> <img src="https://medcomdk.github.io/ehmi/assets/images/ehmi-Layers.png" alt="EHMI Layers" style="width:80%; height:auto; margin-left:5%; margin-right:15%; margin-top:5%; margin-bottom:5%;" id="Fig1"></a>