Correct purpose of "When is this MAC address used"
diff --git a/README.md b/README.md
index af63d356a..85dca4ce0 100644
--- a/README.md
+++ b/README.md
@@ -116,7 +116,7 @@ Packets that are sent on the ethernet are always coming from a MAC address and s
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 <summary>When is this MAC address used?: ff:ff:ff:ff:ff:ff</summary><br><b>
 
-When a device sends a packet to the broadcast MAC address (FF:FF:FF:FF:FF:FF​), it is delivered to all stations on the local network. It needs to be used in order for all devices to receive your packet at the datalink layer.
+When a device sends a packet to the broadcast MAC address (FF:FF:FF:FF:FF:FF​), it is delivered to all stations on the local network. Ethernet broadcasts are used to resolve IP addresses to MAC addresses (by ARP) at the datalink layer .
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Second sentence was a  tautology in fact, without disclosing the purpose of use.