diff --git a/bookland/README.rst b/bookland/README.rst
index a3316bd..62d7ade 100644
--- a/bookland/README.rst
+++ b/bookland/README.rst
@@ -17,11 +17,14 @@ Book land a modern library management system
 .. |badge1| image:: https://img.shields.io/badge/maturity-Beta-yellow.png
     :target: https://odoo-community.org/page/development-status
     :alt: Beta
-.. |badge2| image:: https://img.shields.io/badge/github-odoonix%2Feducation-lightgray.png?logo=github
+.. |badge2| image:: https://img.shields.io/badge/license-LGPL--3-blue.png
+    :target: http://www.gnu.org/licenses/lgpl-3.0-standalone.html
+    :alt: License: LGPL-3
+.. |badge3| image:: https://img.shields.io/badge/github-odoonix%2Feducation-lightgray.png?logo=github
     :target: https://github.com/odoonix/education/tree/17.0/bookland
     :alt: odoonix/education
 
-|badge1| |badge2|
+|badge1| |badge2| |badge3|
 
 این یک اپلیکشن برای مدیریت کتابخانه‌های دانشگاه است.
 
@@ -41,7 +44,7 @@ Changelog
 در این نسخه ساختار اولیه نرم افزار ایجاد شده و امکانات زیر ایجاد شده
 است.
 
--  TODO:
+- TODO:
 
 Bug Tracker
 ===========
@@ -59,7 +62,7 @@ Credits
 Authors
 -------
 
-* 
+* Odoonix
 
 Maintainers
 -----------
diff --git a/bookland/__manifest__.py b/bookland/__manifest__.py
index ab4028c..143c61e 100644
--- a/bookland/__manifest__.py
+++ b/bookland/__manifest__.py
@@ -1,10 +1,14 @@
 # pylint: disable=W0104
-{"name": "Book land a modern library management system",
 
- "data": [
-     # Security
-     "security/ir.model.access.csv",
-
-     # Views
-     "views/book_views.xml"
- ]}
+{
+    "name": "Book land a modern library management system",
+    "website": "https://github.com/odoonix/education",
+    "author": "Odoonix",
+    "license": "LGPL-3",
+    "data": [
+        # Security
+        "security/ir.model.access.csv",
+        # Views
+        "views/book_views.xml",
+    ],
+}
diff --git a/bookland/models/book.py b/bookland/models/book.py
index c6cea62..a39b23d 100644
--- a/bookland/models/book.py
+++ b/bookland/models/book.py
@@ -1,4 +1,3 @@
-from operator import index
 from odoo import fields, models
 
 
@@ -20,7 +19,7 @@ class BooklandBook(models.Model):
         # string="Description"
         required=False,
         translate=True,
-        index=False
+        index=False,
     )
     publish_date = fields.Date(string="Publish")
 
@@ -42,4 +41,5 @@ class BooklandBook(models.Model):
         help="""
 <h1>Price of the Book</h1>
 <p>How much the book should sell on store</p>
-""")
+""",
+    )
diff --git a/bookland/static/description/index.html b/bookland/static/description/index.html
index e62a365..aacd0df 100644
--- a/bookland/static/description/index.html
+++ b/bookland/static/description/index.html
@@ -374,7 +374,7 @@ <h1>Book land a modern library management system</h1>
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 !! source digest: sha256:6e9bd71f9df246f05e4bc098c4bf905387b718570abfb0c2ca222227f560fa69
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! -->
-<p><a class="reference external image-reference" href="https://odoo-community.org/page/development-status"><img alt="Beta" src="https://img.shields.io/badge/maturity-Beta-yellow.png" /></a> <a class="reference external image-reference" href="https://github.com/odoonix/education/tree/17.0/bookland"><img alt="odoonix/education" src="https://img.shields.io/badge/github-odoonix%2Feducation-lightgray.png?logo=github" /></a></p>
+<p><a class="reference external image-reference" href="https://odoo-community.org/page/development-status"><img alt="Beta" src="https://img.shields.io/badge/maturity-Beta-yellow.png" /></a> <a class="reference external image-reference" href="http://www.gnu.org/licenses/lgpl-3.0-standalone.html"><img alt="License: LGPL-3" src="https://img.shields.io/badge/license-LGPL--3-blue.png" /></a> <a class="reference external image-reference" href="https://github.com/odoonix/education/tree/17.0/bookland"><img alt="odoonix/education" src="https://img.shields.io/badge/github-odoonix%2Feducation-lightgray.png?logo=github" /></a></p>
 <p>این یک اپلیکشن برای مدیریت کتابخانه‌های دانشگاه است.</p>
 <p>در این نرم افزار شما امکانات متفاوتی خواهی داشت.</p>
 <p><strong>Table of contents</strong></p>
@@ -414,7 +414,7 @@ <h2><a class="toc-backref" href="#toc-entry-4">Credits</a></h2>
 <div class="section" id="authors">
 <h3><a class="toc-backref" href="#toc-entry-5">Authors</a></h3>
 <ul class="simple">
-<li></li>
+<li>Odoonix</li>
 </ul>
 </div>
 <div class="section" id="maintainers">
diff --git a/bookland/views/book_views.xml b/bookland/views/book_views.xml
index 2b31d40..c876db7 100644
--- a/bookland/views/book_views.xml
+++ b/bookland/views/book_views.xml
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8" ?>
 <odoo>
 
     <record id="book_form_view" model="ir.ui.view">
@@ -8,15 +8,15 @@
             <form string="Book">
                 <group>
                     <group name="general">
-                        <field name="name"></field>
+                        <field name="name" />
                     </group>
                     <group name="publication">
-                        <field name="publish_date"></field>
+                        <field name="publish_date" />
                     </group>
                 </group>
                 <notebook>
                     <page name="description" string="Description">
-                        <field name="description"></field>
+                        <field name="description" />
                     </page>
                 </notebook>
             </form>
@@ -29,8 +29,8 @@
         <field name="model">bookland.book</field>
         <field name="arch" type="xml">
             <tree>
-                <field name="name"></field>
-                <field name="publish_date"></field>
+                <field name="name" />
+                <field name="publish_date" />
             </tree>
         </field>
     </record>
diff --git a/bookland_account/README.rst b/bookland_account/README.rst
index e62a3cd..d76fd5f 100644
--- a/bookland_account/README.rst
+++ b/bookland_account/README.rst
@@ -17,11 +17,14 @@ Book land accounting feature
 .. |badge1| image:: https://img.shields.io/badge/maturity-Beta-yellow.png
     :target: https://odoo-community.org/page/development-status
     :alt: Beta
-.. |badge2| image:: https://img.shields.io/badge/github-odoonix%2Feducation-lightgray.png?logo=github
+.. |badge2| image:: https://img.shields.io/badge/license-LGPL--3-blue.png
+    :target: http://www.gnu.org/licenses/lgpl-3.0-standalone.html
+    :alt: License: LGPL-3
+.. |badge3| image:: https://img.shields.io/badge/github-odoonix%2Feducation-lightgray.png?logo=github
     :target: https://github.com/odoonix/education/tree/17.0/bookland_account
     :alt: odoonix/education
 
-|badge1| |badge2|
+|badge1| |badge2| |badge3|
 
 این ماژول امکانات حسابداری را اضافه می‌کند
 
@@ -36,7 +39,7 @@ Known issues / Roadmap
 V2.0.0
 ======
 
--  connect to invoice
+- connect to invoice
 
 Changelog
 =========
@@ -59,7 +62,7 @@ Credits
 Authors
 -------
 
-* 
+* Odoonix
 
 Maintainers
 -----------
diff --git a/bookland_account/__manifest__.py b/bookland_account/__manifest__.py
index d118692..f2fa465 100644
--- a/bookland_account/__manifest__.py
+++ b/bookland_account/__manifest__.py
@@ -1,2 +1,7 @@
 # pylint: disable=W0104
-{"name": "Book land accounting feature"}
+{
+    "name": "Book land accounting feature",
+    "website": "https://github.com/odoonix/education",
+    "author": "Odoonix",
+    "license": "LGPL-3",
+}
diff --git a/bookland_account/static/description/index.html b/bookland_account/static/description/index.html
index 1545af2..4ee816a 100644
--- a/bookland_account/static/description/index.html
+++ b/bookland_account/static/description/index.html
@@ -374,7 +374,7 @@ <h1>Book land accounting feature</h1>
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 !! source digest: sha256:aea4cf208e370fcf4ea7f54b5f62c2319c1c78e6263fdafba294eed37a30cd2e
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! -->
-<p><a class="reference external image-reference" href="https://odoo-community.org/page/development-status"><img alt="Beta" src="https://img.shields.io/badge/maturity-Beta-yellow.png" /></a> <a class="reference external image-reference" href="https://github.com/odoonix/education/tree/17.0/bookland_account"><img alt="odoonix/education" src="https://img.shields.io/badge/github-odoonix%2Feducation-lightgray.png?logo=github" /></a></p>
+<p><a class="reference external image-reference" href="https://odoo-community.org/page/development-status"><img alt="Beta" src="https://img.shields.io/badge/maturity-Beta-yellow.png" /></a> <a class="reference external image-reference" href="http://www.gnu.org/licenses/lgpl-3.0-standalone.html"><img alt="License: LGPL-3" src="https://img.shields.io/badge/license-LGPL--3-blue.png" /></a> <a class="reference external image-reference" href="https://github.com/odoonix/education/tree/17.0/bookland_account"><img alt="odoonix/education" src="https://img.shields.io/badge/github-odoonix%2Feducation-lightgray.png?logo=github" /></a></p>
 <p>این ماژول امکانات حسابداری را اضافه می‌کند</p>
 <p><strong>Table of contents</strong></p>
 <div class="contents local topic" id="contents">
@@ -415,7 +415,7 @@ <h2><a class="toc-backref" href="#toc-entry-5">Credits</a></h2>
 <div class="section" id="authors">
 <h3><a class="toc-backref" href="#toc-entry-6">Authors</a></h3>
 <ul class="simple">
-<li></li>
+<li>Odoonix</li>
 </ul>
 </div>
 <div class="section" id="maintainers">