make it build: add new reference, remove tab; look&feel

ietf-lamps-hp/draft-ietf-lamps-header-protection.mkd

@@ -34,6 +34,7 @@ informative:
 #  RFC5321:
 #  RFC5490:
   RFC6376: # DKIM #
+  RFC6409:
 #  RFC6532: # internationalized email headers #
   RFC7208: # SPF #
 #  RFC7258:
@@ -126,10 +127,10 @@ mechanism is to be determined by the IETF LAMPS WG.
 
 {::include ../shared/text-blocks/terms-intro.mkd}
    
-  Note: To avoid ambiguity, this document does not use the terms
-  "Header" or "Headers" in isolation, but instead always uses "Header
-  Field" to refer to the individual field and "Header Section" to
-  refer to the entire collection; cf. {{RFC5322}}.
+> Note: To avoid ambiguity, this document does not use the terms
+> "Header" or "Headers" in isolation, but instead always uses "Header
+> Field" to refer to the individual field and "Header Section" to
+> refer to the entire collection; cf. {{RFC5322}}.
 
 <!-- {::include ../shared/text-blocks/handshake.mkd} -->
 <!-- {::include ../shared/text-blocks/trustwords.mkd} -->
@@ -762,7 +763,7 @@ Header Section and can never be protected.
 So I think this is just a long way of saying that no extra text is needed here,
 unless you want the document to explain the above.
 
-	 \]\]
+         \]\]
 -->
 
 ### Header Field Flow