Another doc tweak.
diff --git a/tomb.go b/tomb.go
index 7468e32..33922c9 100644
--- a/tomb.go
+++ b/tomb.go
@@ -98,8 +98,8 @@
 	return t.reason
 }
 
-// Done informs that the goroutine in a dead state, and should be called a
-// single time right before the goroutine function or method returns.
+// Done flags the goroutine as dead, and should be called a single time
+// right before the goroutine function or method returns.
 // If the goroutine was not already in a dying state before Done is
 // called, it will flagged as dying and dead at once.
 func (t *Tomb) Done() {
@@ -107,7 +107,7 @@
 	close(t.Dead)
 }
 
-// Fatal informs that the goroutine in a dying state.
+// Fatal flags the goroutine as dying.
 // The first non-nil reason parameter to Fatal or the first Fatalf-generated
 // error is recorded as the reason for the goroutine death.
 // This method may be safely called concurrently, and may be called both from