diff --git a/.gitreview b/.gitreview
index e47a10e..3168ab3 100644
--- a/.gitreview
+++ b/.gitreview
@@ -2,3 +2,4 @@
 host=gerrit.onap.org
 port=29418
 project=vnfsdk/model
+defaultbranch=master
diff --git a/docs/_static/css/ribbon.css b/docs/_static/css/ribbon.css
index 6008cb1..d03a26b 100644
--- a/docs/_static/css/ribbon.css
+++ b/docs/_static/css/ribbon.css
@@ -1,63 +1,63 @@
 .ribbon {
-  z-index: 1000;
-  background-color: #a00;
-  overflow: hidden;
-  white-space: nowrap;
-  position: fixed;
-  top: 25px;
-  right: -50px;
-  -webkit-transform: rotate(45deg);
-     -moz-transform: rotate(45deg);
-      -ms-transform: rotate(45deg);
-       -o-transform: rotate(45deg);
-          transform: rotate(45deg);
-  -webkit-box-shadow: 0 0 10px #888;
-     -moz-box-shadow: 0 0 10px #888;
-          box-shadow: 0 0 10px #888;
-
-}
-
-.ribbon a {
-  border: 1px solid #faa;
-  color: #fff;
-  display: block;
-  font: bold 81.25% 'Helvetica Neue', Helvetica, Arial, sans-serif;
-  margin: 1px 0;
-  padding: 10px 50px;
-  text-align: center;
-  text-decoration: none;
-  text-shadow: 0 0 5px #444;
-  transition: 0.5s;
-}
-
-.ribbon a:hover {
-  background: #c11;
-  color: #fff;
-}
-
-
-/* override table width restrictions */
-@media screen and (min-width: 767px) {
-
-   .wy-table-responsive table td, .wy-table-responsive table th {
-      /* !important prevents the common CSS stylesheets from overriding
-         this as on RTD they are loaded after this stylesheet */
-      white-space: normal !important;
-   }
-
-   .wy-table-responsive {
-      overflow: visible !important;
-   }
-}
-
-@media screen and (max-width: 767px) {
-    .wy-table-responsive table td {
-        white-space: nowrap;
+   z-index: 1000;
+   background-color: #a00;
+   overflow: hidden;
+   white-space: nowrap;
+   position: fixed;
+   top: 25px;
+   right: -50px;
+   -webkit-transform: rotate(45deg);
+      -moz-transform: rotate(45deg);
+       -ms-transform: rotate(45deg);
+        -o-transform: rotate(45deg);
+           transform: rotate(45deg);
+   -webkit-box-shadow: 0 0 10px #888;
+      -moz-box-shadow: 0 0 10px #888;
+           box-shadow: 0 0 10px #888;
+ 
+ }
+ 
+ .ribbon a {
+   border: 1px solid #faa;
+   color: #fff;
+   display: block;
+   font: bold 81.25% 'Helvetica Neue', Helvetica, Arial, sans-serif;
+   margin: 1px 0;
+   padding: 10px 50px;
+   text-align: center;
+   text-decoration: none;
+   text-shadow: 0 0 5px #444;
+   transition: 0.5s;
+ }
+ 
+ .ribbon a:hover {
+   background: #c11;
+   color: #fff;
+ }
+ 
+ 
+ /* override table width restrictions */
+ @media screen and (min-width: 767px) {
+ 
+    .wy-table-responsive table td, .wy-table-responsive table th {
+       /* !important prevents the common CSS stylesheets from overriding
+          this as on RTD they are loaded after this stylesheet */
+       white-space: normal !important;
     }
-}
-
-/* fix width of the screen */
-
-.wy-nav-content {
-    max-width: none;
-}
+ 
+    .wy-table-responsive {
+       overflow: visible !important;
+    }
+ }
+ 
+ @media screen and (max-width: 767px) {
+     .wy-table-responsive table td {
+         white-space: nowrap;
+     }
+ }
+ 
+ /* fix width of the screen */
+ 
+ .wy-nav-content {
+     max-width: 800px;
+ }
\ No newline at end of file
diff --git a/docs/conf.py b/docs/conf.py
index 5082a4b..a9c42b6 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -1,15 +1,56 @@
-from docs_conf.conf import *
+project = "onap"
+release = "master"
+version = "master"
 
-branch = 'latest'
-master_doc = 'index'
+author = "Open Network Automation Platform"
+# yamllint disable-line rule:line-length
+copyright = "ONAP. Licensed under Creative Commons Attribution 4.0 International License"
 
-linkcheck_ignore = [
-    'http://localhost',
+pygments_style = "sphinx"
+html_theme = "sphinx_rtd_theme"
+html_theme_options = {
+  "style_nav_header_background": "white",
+  "sticky_navigation": "False" }
+html_logo = "_static/logo_onap_2017.png"
+html_favicon = "_static/favicon.ico"
+html_static_path = ["_static"]
+html_show_sphinx = False
+
+extensions = [
+    'sphinx.ext.intersphinx',
+    'sphinx.ext.graphviz',
+    'sphinxcontrib.blockdiag',
+    'sphinxcontrib.seqdiag',
+    'sphinxcontrib.swaggerdoc',
+    'sphinxcontrib.plantuml'
 ]
 
+#
+# Map to 'latest' if this file is used in 'latest' (master) 'doc' branch.
+# Change to {releasename} after you have created the new 'doc' branch.
+#
+
+branch = 'latest'
+
 intersphinx_mapping = {}
+doc_url = 'https://docs.onap.org/projects'
+master_doc = 'index'
+
+exclude_patterns = ['.tox']
+
+spelling_word_list_filename='spelling_wordlist.txt'
+spelling_lang = "en_GB"
+
+#
+# Example:
+# intersphinx_mapping['onap-aai-aai-common'] = ('{}/onap-aai-aai-common/en/%s'.format(doc_url) % branch, None)
+#
 
 html_last_updated_fmt = '%d-%b-%y %H:%M'
 
 def setup(app):
-    app.add_css_file("css/ribbon.css")
\ No newline at end of file
+    app.add_css_file("css/ribbon.css")
+
+linkcheck_ignore = [
+  r'http://localhost:\d+/'
+]
diff --git a/docs/conf.yaml b/docs/conf.yaml
deleted file mode 100644
index ab59281..0000000
--- a/docs/conf.yaml
+++ /dev/null
@@ -1,7 +0,0 @@
----
-project_cfg: onap
-project: onap
-
-# Change this to ReleaseBranchName to modify the header
-default-version: latest
-#
diff --git a/docs/requirements-docs.txt b/docs/requirements-docs.txt
index 3b3441a..ba3e0ec 100644
--- a/docs/requirements-docs.txt
+++ b/docs/requirements-docs.txt
@@ -1,3 +1,7 @@
-lfdocs-conf
 sphinx>=4.2.0  # BSD
 sphinx-rtd-theme>=1.0.0  # MIT
+sphinxcontrib-blockdiag  # BSD
+sphinxcontrib-seqdiag # BSD
+sphinxcontrib-swaggerdoc
+sphinxcontrib-spelling
+sphinxcontrib-plantuml
\ No newline at end of file
diff --git a/docs/tox.ini b/docs/tox.ini
index 64af58b..71c6957 100644
--- a/docs/tox.ini
+++ b/docs/tox.ini
@@ -26,3 +26,15 @@
 commands = echo "Link Checking not enforced"
 #commands = sphinx-build -b linkcheck -d {envtmpdir}/doctrees ./ {toxinidir}/_build/linkcheck
 whitelist_externals = echo
+
+[testenv:docs-spellcheck]
+basepython = python3.8
+deps =
+    -r{toxinidir}/requirements-docs.txt
+    -chttps://raw.githubusercontent.com/openstack/requirements/stable/yoga/upper-constraints.txt
+    -chttps://git.onap.org/doc/plain/etc/upper-constraints.onap.txt?h=master
+commands =
+    sphinx-build -W -q -b spelling -d {envtmpdir}/doctrees {toxinidir} {toxinidir}/_build/spellcheck
+
+
+