Update errors.cr

src/invidious/routes/errors.cr

@@ -1,6 +1,6 @@
 module Invidious::Routes::ErrorRoutes
   def self.error_404(env)
-    # Workaround for # 3117
+    # Workaround for #3117
     if HOST_URL.empty? && env.request.path.starts_with?("/v1/storyboards/sb")
       return env.redirect "#{env.request.path[15..]}?#{env.params.query}"
     end