diff --git a/config/neomutt/extract-reply.sh b/config/neomutt/extract-reply.sh
index d2dd9bc..010664e 100755
--- a/config/neomutt/extract-reply.sh
+++ b/config/neomutt/extract-reply.sh
@@ -4,7 +4,40 @@ set -euo pipefail
 
 text="$(cat)"
 
-# Extract only the text/html part of the multipart email
+# The Mime Format emails we're trying to parse have the following layout
+#
+#   To: mail@example.org
+#   ... <misc headers>
+#
+#   Content-Type: multipart/mixed;
+#    boundary="=_c4f4c8bf54a05b2b47ef558c3c61e418"
+#   ...<more headers>
+#
+#   This is a message in Mime Format.  If you see this, your mail reader does not support this format.
+#
+#   --=_c4f4c8bf54a05b2b47ef558c3c61e418
+#   Content-Type: multipart/alternative;
+#    boundary="=_935b3ef6db1361fbfde9e3eb2b1debe5"
+#   Content-Transfer-Encoding: 8bit
+#
+#
+#   --=_935b3ef6db1361fbfde9e3eb2b1debe5
+#   Content-Type: text/plain; charset=iso-8859-1
+#   Content-Transfer-Encoding: quoted-printable
+#
+#   ...<text content, if any>
+#
+#   --=_935b3ef6db1361fbfde9e3eb2b1debe5
+#   Content-Type: text/html; charset=iso-8859-1
+#   Content-Transfer-Encoding: quoted-printable
+#
+#   <html>=0A  <head>=0A  <meta http-equiv=3D"Content-Type" content=3D"text/=
+#   html; charset=3DISO-8859-1">=09=0A      <link rel=3D"stylesheet" href=3D=
+#   ...<and more quoted-printable html>
+#   ...<and misc eventual attachment parts>
+#   --=_c4f4c8bf54a05b2b47ef558c3c61e418--
+
+# We're only interested in the text/html part of the multipart email
 # TODO parse actual encoding instead of defaulting to iso-8859-1
 mailto="$(printf "%s" "$text" \
     | awk '
