diff --git a/lib/net/imap/flags.rb b/lib/net/imap/flags.rb
index 68bb8b813..88091d010 100644
--- a/lib/net/imap/flags.rb
+++ b/lib/net/imap/flags.rb
@@ -257,5 +257,6 @@ class IMAP < Protocol
     # special use is likely not to be supported.
     TRASH = :Trash
 
+    # :section:
   end
 end