Fix typo in link

proposals/2244-mass-redactions.md

@@ -1,7 +1,7 @@
 # Mass redactions
 Matrix, like any platform with public chat rooms, has spammers. Currently,
 redacting spam essentially requires spamming redaction events in a 1:1 ratio,
-which is not optimal<sup>[1](images/2246-redaction-spam.png)</sup>. Most
+which is not optimal<sup>[1](images/2244-redaction-spam.png)</sup>. Most
 clients do not even have any mass redaction tools, likely in part due to the
 lack of a mass redaction API. A mass redaction API on the other hand has not
 been implemented as it would require sending lots of events at once. However,