Update proposals/2176-update-redaction-rules.md
fix typo
@@ -21,7 +21,7 @@ preserved by a redaction:
(Note this refers to the *event-level* `membership` property, rather than the
similarly-named sub-property under the `content` key.)
-Ratinale: neither of the above properties have defined meanings in the Matrix
+Rationale: neither of the above properties have defined meanings in the Matrix
protocol, so there is no reason for them to be special-cased in this way.
The following should be added to the list of subkeys of the content property
