Renamed flag to SyncTopic.

bridge/config/config.go

@@ -117,7 +117,7 @@ type Protocol struct {
 	ShowEmbeds             bool       // discord
 	SkipTLSVerify          bool       // IRC, mattermost
 	StripNick              bool       // all protocols
-	SyncTopicChange        bool       // slack
+	SyncTopic              bool       // slack
 	Team                   string     // mattermost
 	Token                  string     // gitter, slack, discord, api
 	Topic                  string     // zulip

bridge/slack/slack.go

@@ -326,7 +326,7 @@ func (b *Bslack) updateTopicOrPurpose(msg *config.Message, channelInfo *slack.Ch
 		return false, nil
 	}
 
-	if !b.GetBool("SyncTopicChange") {
+	if !b.GetBool("SyncTopic") {
 		return false, nil
 	}