fix

docs/rfcs/035-safekeeper-dynamic-membership-change.md

@@ -447,7 +447,7 @@ timeline id but lower `generation` as next op makes previous obsolete. Insertion
 of `op_type` `delete` overwrites all rows.
 
 About `exclude`: rather than adding explicit safekeeper http endpoint, it is
-reasonable to reuse configuration switch endpoint: if safekeeper is not member
+reasonable to reuse membership switch endpoint: if safekeeper is not member
 of the configuration it locally removes the timeline on the switch. In this case
 404 should also be considered an 'ok' answer by the caller.