>Subject: [PATCH] Replace HTTP links with HTTPS ones: Documentation/admin-guide

You already sent a patch with the exact same subject line.
Please use an incrementing version number (PATCH v2, PATCH v3, etc.) for
revised versions of a patch, and describe the differences below the ---
line. This is (somewhat lengthily) explained here:

  https://www.kernel.org/doc/html/latest/process/submitting-patches.html#the-canonical-patch-format


Best regards,
Jonathan Neuschäfer