EAGLESIX-5473: markdown: fix newline for $limit

lib/extras/markdown.js

@@ -147,7 +147,7 @@ function toListItem(str, i) {
 		};
 
 		documentSources.LimitDocumentSource.prototype.getMarkdown = function(level) {
-			return getIndentStr(level) + "limit to only `" + this.limit + "` output docs";
+			return getIndentStr(level) + "limit to only `" + this.limit + "` output docs\n";
 		};
 
 		documentSources.MatchDocumentSource.prototype.getMarkdown = function(level) {