fix more typos

proposals/4125-federation-invite-via.md

@@ -76,10 +76,10 @@ of the specified servers until either it is able to join or gets a `403 M_FORBID
 When rejecting an invite, the server should also do the same as above but for the `/make_leave` and `/send_leave`
 endpoints, iterating over the servers until it either is able to leave or gets a `403 M_FORBIDDEN` response.
 
-In the case where multiple users on the same server have recieved invites to the same room over federation, servers
+In the case where multiple users on the same server have received invites to the same room over federation, servers
 in the most recent invite should be attempted first, and should work through invities in reverse chronological order,
 attempting the servers specified in each as explained above. Servers should only be attempted on their most recent
-appearence.
+appearance.
 
 ## Potential issues
 
@@ -93,7 +93,7 @@ is actually in the room.
 ## Security considerations
 
 The invited server now knows some of the servers that are in the room without having to join, which could be
-undesireable if the room is private.
+undesirable if the room is private.
 
 ## Unstable prefix