diff --git a/doc/README.md b/doc/README.md
index fe1efe3cefbb676d8f0f9486f30e4138cebedb98..e9faef7a6c8523123440fce6311763c686e3392c 100644
--- a/doc/README.md
+++ b/doc/README.md
@@ -2062,6 +2062,7 @@ hive.broadcast.recurrentTransfer(wif, from, to, amount, memo, recurrence, execut
 |amount|Amount of of asset to transfer|String|"X.XXX ASSET" must have 3 decimal places. e.g. "5.150 HBD"|
 |recurrence|How often will the payment be triggered|Integer|e.g. 48 - unit: hours|
 |executions|The times the recurrent payment will be executed|Integer|e.g. 10 - one tranfer per recurrence|
+|extensions|Optionally can be used to set a pair_id|Array[object]|e.g. `[{ type: 1, value: { pair_id: 3 } }]` or `[]`|
 |function()|Your callback|function||
 
 See also: [transferToVesting](#transfer-to-vesting)
diff --git a/package.json b/package.json
index cf538cf865ccf2687b9592812302d3a92b8cbaa3..5b28732b40b8f44e8d0e298cbd1177f513d8395c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hiveio/hive-js",
-  "version": "2.0.7",
+  "version": "2.0.9",
   "description": "Hive.js the JavaScript API for Hive blockchain",
   "main": "lib/index.js",
   "scripts": {
diff --git a/src/auth/serializer/src/operations.js b/src/auth/serializer/src/operations.js
index cc60f93bf03c986f0e9b98665ef9f95381a000df..1043c8876dc9a0e132929b6ce764256e689ca0eb 100644
--- a/src/auth/serializer/src/operations.js
+++ b/src/auth/serializer/src/operations.js
@@ -733,17 +733,20 @@ let update_proposal = new Serializer(
   }
 );
 
-let recurrent_transfer = new Serializer(
-  "recurrent_transfer", {
+let recurrent_transfer_pair_id = new Serializer(0,{
+  type: uint8,
+  value: new Serializer(0, { pair_id: uint8 })
+});
+
+let recurrent_transfer = new Serializer("recurrent_transfer", {
     from: string,
     to: string,
     amount: asset,
     memo: string,
     recurrence: uint16,
     executions: uint16,
-    extensions: set(future_extensions)
-  }
-);
+    extensions: set(recurrent_transfer_pair_id)
+});
 
 let claim_reward_balance2 = new Serializer(
   "claim_reward_balance2", {
diff --git a/src/utils.js b/src/utils.js
index eecb4d8ecc6da949c7ac3599a45d388036a9e8d2..218c629d366df60817aaa8c0eb3524967778fbe8 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -41,17 +41,17 @@ export function validateAccountName(value) {
   for (i = 0, len = ref.length; i < len; i++) {
     label = ref[i];
     if (!/^[a-z]/.test(label)) {
-      return suffix + "start with a letter.";
+      return suffix + "start with a lowercase letter.";
     }
     if (!/^[a-z0-9-]*$/.test(label)) {
-      return suffix + "have only letters, digits, or dashes.";
+      return suffix + "have only lowercase letters, digits, or dashes.";
     }
     // Multiple dashes in a row is VALID
     // if (/--/.test(label)) {
     //   return suffix + "have only one dash in a row.";
     // }
     if (!/[a-z0-9]$/.test(label)) {
-      return suffix + "end with a letter or digit.";
+      return suffix + "end with a lowercase letter or digit.";
     }
     if (!(label.length >= 3)) {
       return suffix + "be longer";