edit README

Author: joel-ling

README.md

@@ -64,9 +64,9 @@ at the beginning of every internet datagram (more fondly known as a "packet").
 ```
 
 It is highly unlikely that a developer
-would ever need to implement these protocols
-(since in Go, the package [`net`](https://pkg.go.dev/net)
-supplies types and methods that abstract away low-level details),
+would ever need to implement these protocols,
+since in Go the standard library package [`net`](https://pkg.go.dev/net)
+supplies types and methods that abstract away low-level details,
 but they make appropriate illustrations of binary message formats
 (and demystify some ubiquitous mechanisms taken for granted).