📝 Update comments in waiterr.go

waiterr.go

@@ -5,7 +5,7 @@ import (
 	"sync"
 )
 
-// WaitErr wraps a sync.WaitGroup with error handling.
+// WaitErr wraps a [sync.WaitGroup] with error handling.
 type WaitErr struct {
 	wg            sync.WaitGroup
 	errs          []error
@@ -17,7 +17,7 @@ type WaitErr struct {
 }
 
 // Go runs f in its own goroutine. When f returns, its error is stored, and returned
-// with we.Wait().
+// with [WaitErr.Wait].
 func (we *WaitErr) Go(f func() error) {
 	we.initErrChOnce.Do(func() {
 		we.errCh = make(chan error, 1)
@@ -90,7 +90,7 @@ func (we *WaitErr) Wait() error {
 }
 
 // Unwrap returns all non-nil errors returned by our functions.
-// If we.errs is empty, or all errors are nil, just return nil.
+// If no errors were returned, or all errors are nil, it returns nil.
 func (we *WaitErr) Unwrap() []error {
 	errs := make([]error, 0, len(we.errs))
 	for _, e := range we.errs {