improve docs and add coveralls badge

README.md

@@ -1,6 +1,7 @@
 # GubGub
 
 [![Go Report Card](https://goreportcard.com/badge/github.com/nmoniz/gubgub)](https://goreportcard.com/report/github.com/nmoniz/gubgub)
+[![Coverage Status](https://coveralls.io/repos/github/nmoniz/gubgub/badge.svg?branch=main)](https://coveralls.io/github/nmoniz/gubgub?branch=main)
 
 Yet another in-memory Go PubSub library.
 I started to develop what is now GubGub in one of my personal projects but I soon found myself using it in other completely unrelated projects and I thought it could be a nice thing to share.

wrappers.go

@@ -29,8 +29,11 @@ func NoOp[T any]() Subscriber[T] {
 // available memory.
 // This is useful if message publishing is surge prone and message processing is slow or
 // unpredictable (for example: subscriber makes network request).
+//
 // IMPORTANT: messages are considered delivered even it they are still in the buffer which means
-// that buffered subscribers are NOT COVERED by the publishing promise.
+// that while the wrapper subscriber is covered by the publishing promise the inner subscriber is
+// is not.
+//
 // Message average processing rate must still be higher than the average message publishing rate
 // otherwise it will eventually lead to memory issues. You will need to find a better strategy to
 // deal with such scenario.
@@ -89,7 +92,6 @@ func Buffered[T any](subscriber Subscriber[T]) Subscriber[T] {
 					idling = true
 				}
 			}
-
 		}
 	}()