From 5c814e9edd401c24b2dcd1c1e2c70211e3492d81 Mon Sep 17 00:00:00 2001
From: Alex Kotov <git@kotovalexarian.com>
Date: Tue, 17 Sep 2024 10:11:33 +0400
Subject: [PATCH] Fix error

---
 lib/repubmark/elems/footnote.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/repubmark/elems/footnote.rb b/lib/repubmark/elems/footnote.rb
index 015a7a4..c79bf79 100644
--- a/lib/repubmark/elems/footnote.rb
+++ b/lib/repubmark/elems/footnote.rb
@@ -42,7 +42,7 @@ module Repubmark
           result += link_text
         end
         result += "\n"
-        result += @caption.to_html
+        result += @caption.to_html.to_s
         if alt_urls&.any?
           result += %[(#{
             alt_urls.map do |alt_url|