m/n/c/consensus: fix a typo

This thing might bite someday.

Change-Id: I093d30c2f6511f36595f71d6862113fadf211280
Reviewed-on: https://review.monogon.dev/c/monogon/+/677
Reviewed-by: Leopold Schabel <leo@nexantic.com>
diff --git a/metropolis/node/core/consensus/consensus.go b/metropolis/node/core/consensus/consensus.go
index 1137556..1e9c1eb 100644
--- a/metropolis/node/core/consensus/consensus.go
+++ b/metropolis/node/core/consensus/consensus.go
@@ -189,7 +189,7 @@
 
 	// Create selfupdater, which will perform a one-shot update of this member's
 	// peer address in etcd.
-	if err := supervisor.Run(ctx, "selfupadater", s.selfupdater); err != nil {
+	if err := supervisor.Run(ctx, "selfupdater", s.selfupdater); err != nil {
 		return fmt.Errorf("when starting selfupdater: %w", err)
 	}