doc: minor updates to wireshark plugin documentation

docs/wireshark.md

@@ -3,14 +3,14 @@
 `Lightway` is a lightweight VPN protocol from `ExpressVPN` that can use both UDP and TCP as underlying transport.
 
 In Lightway/TCP mode it is a pure TLS stream and as such, Wireshark does not need any special decoding support.
-Simply selecting the port the Helium server is running on and decoding it as TLS is sufficient.
+Simply selecting the port, the Lightway server is running on and decoding it as TLS is sufficient.
 
 Although Lightway/UDP protocol is based on D/TLS (TLS adapted for datagrams), Lightway adds its own headers to support additional features.
 
 This means that Wireshark cannot decode Lightway/UDP traffic natively and custom plugin support is needed.
 
 ## Install steps:
-1. Copy `lightway.lua` file to `~/.local/lib/wireshark/plugins` directory
+1. Copy [`lightway.lua`](../lightway-core/wireshark/lightway.lua) to `~/.local/lib/wireshark/plugins` directory
 1. Inside Wireshark, the packet decode as, select `LIGHTWAY-UDP` protocol.
 
 ### Note:
@@ -21,8 +21,8 @@ If `Lightway` server is running in a different port, update the port number in t
 Wireshark will then decode the Lightway packets automatically.
 
 ```lua
-udp_port:add(40890, lightway_protocol)
+udp_port:add(<PORT>, lightway_protocol)
 ```
 
 > **Warning**
-> Using this plugin on a huge packet capture file, might take long time to decode
+> Using this plugin on a huge packet capture file, might take long time to decode