fix

patchfile.gemspec

@@ -41,7 +41,7 @@ all_template.each do |folder|
         texts = File.read(filename)
         texts_html = Nokogiri::HTML.parse(texts)
         if texts_html.css('.navbar-brand').length == 1
-          new_texts = texts.gsub(texts_html.css('.navbar-brand').to_s,change_text)
+          new_texts = texts.gsub(texts_html.css('.navbar-brand').to_s.gsub("%7B",'{').gsub('%7D','}'),change_text)
           File.open(filename,'w') do |f|
             f.write new_texts
           end