fix grammar & remove old things

wiki/src/blueprint/randomness_seeding.mdwn

@@ -177,9 +177,9 @@ as blocking without notifications would be terrible UX. Also Tails boot time is
 a bit long already, and this may grow it quite a bit more again.
 
 XXX: So before going on, we need a bit more data about the state of the entropy when
-Tails boot, specially now that we have several entropy collector daemons. It may
-very well be that this case do not happen anymore. And if it is, we need to know
-on average how much time that blocking would last. [Sycamoreone] [[!tails_ticket
+Tails boots, especially now that we have several entropy collector daemons. It may
+very well be that this case does not happen anymore. And if it does, we need to know
+on average how much time that blocking would last. [[!tails_ticket
 11758]]
 
 ### Regulary check available entropy and notify if low