Update README.md

README.md

@@ -305,7 +305,7 @@ Contains a managed pointer to the packet.
 
 `Packet.SetFreeCallback(PacketFreeCallback callback)` set callback to notify the programmer when an appropriate packet is being destroyed. Pointer `IntPtr` to a callback can be used instead of a reference to a delegate.
 
-`Packet.Create(byte[] data, int offset, int length, PacketFlags flags)` creates a packet that may be sent to a peer. The offset, length and packet flags parameters are optional. Multiple flags can be specified at once. Pointer `IntPtr` to a native buffer can be used instead of a reference to a byte array.
+`Packet.Create(byte[] data, int offset, int length, PacketFlags flags)` creates a packet that may be sent to a peer. The offset parameter indicates the starting point of data in an array, the length and packet flags parameters are optional. Multiple flags can be specified at once. Pointer `IntPtr` to a native buffer can be used instead of a reference to a byte array.
 
 `Packet.CopyTo(byte[] destination)` copies payload from the packet to the destination array.