diff --git a/rfc/0006_ws2p_v2.md b/rfc/0006_ws2p_v2.md
index 2c9abf298a05fe2024a9f182c538c76730ea9ef8..90da17dd6e96b0fd00f083d0e2b661529881ca47 100644
--- a/rfc/0006_ws2p_v2.md
+++ b/rfc/0006_ws2p_v2.md
@@ -717,16 +717,6 @@ peer_cards := see [definition of binary peer card](#peer-card-binary-format)
 
 ## WS2Pv2 Messages
 
-### List of accepted v1 messages
-
-Some WS2Pv1 messages are accepted within WS2Pv2 connections, here is the exhaustive list :
-
-* document messages
-* v1 requests
-* responses to v1 requests
-
-WARNING : Exception with the ABF api feature : In a WS2P connection between two nodes that both support ABF api feature, any WS2Pv1 message are rejected !
-
 ### REQUESTS
 
 | data name    | size in bytes | data type   |
@@ -937,14 +927,14 @@ HEAD v3 PEG grammar :
     hexa_upper = @{ ASCII_DIGIT | 'A'..'F' }
     base58 = { !("O" | "I" | "l") ~ ASCII_ALPHANUMERIC }
     base64 = { ASCII_ALPHANUMERIC | "+" | "/" }
-
+    
     // Numbers rules
     tens = @{ '1'..'9' ~ ASCII_DIGIT }
     u8_hundreds = @{ ("2" ~ ('0'..'4' ~ ASCII_DIGIT | ('0'..'5'){2})) | ("1" ~ ASCII_DIGIT{2}) }
     u8 = @{ u8_hundreds | tens | ASCII_DIGIT }
     no_zero_u_int = @{ '1'..'9' ~ ASCII_DIGIT* }
     u_int = @{ "0" | no_zero_u_int }
-
+    
     // Usefull types rules
     currency = @{ ASCII_ALPHA ~ (ASCII_ALPHANUMERIC | "-" | "_"){,255} }
     block_id = @{ u_int }
@@ -952,7 +942,7 @@ HEAD v3 PEG grammar :
     pubkey = @{ base58{43,44} }
     blockstamp =  ${ block_id ~ "-" ~ hash }
     ed25519_sig = @{ base64{88} | (base64{87} ~ "=") | (base64{86} ~ "==") }
-
+    
     // HEADv3 rules
     api_outgoing_conf = @{ u8 }
     api_incoming_conf = @{ u8 }
@@ -961,7 +951,7 @@ HEAD v3 PEG grammar :
     software = @{ ASCII_ALPHA ~ ASCII_ALPHANUMERIC* }
     soft_version = @{ ASCII_DIGIT ~ "." ~ ASCII_DIGIT ~ "." ~ ASCII_DIGIT ~ ("-" ~ ("a" | "b" | "rc") ~ ASCII_DIGIT ~ ("." ~ ASCII_DIGIT){0,2})? }
     step = @{ u_int }
-
+    
     head_v3 = ${
         "3:" ~ currency ~ ":" ~
         api_outgoing_conf ~ ":" ~