diff --git a/doc/source/contributor/development.environment.rst b/doc/source/contributor/development.environment.rst
index 6188cd7c3..37d262faa 100644
--- a/doc/source/contributor/development.environment.rst
+++ b/doc/source/contributor/development.environment.rst
@@ -27,7 +27,7 @@ to using Git and `this guide`_ for a tutorial on using Gerrit and Git for
 code contribution to Openstack projects.
 
 .. _this Git tutorial: http://git-scm.com/book/en/Getting-Started
-.. _this guide: http://docs.openstack.org/infra/manual/developers.html#development-workflow
+.. _this guide: https://docs.openstack.org/infra/manual/developers.html#development-workflow
 
 If you want to be able to run Tacker in a full OpenStack environment,
 you can use the excellent `DevStack`_ project to do so. There is a wiki page
diff --git a/doc/source/contributor/tacker_functional_test.rst b/doc/source/contributor/tacker_functional_test.rst
index 40140f6a6..c27573085 100644
--- a/doc/source/contributor/tacker_functional_test.rst
+++ b/doc/source/contributor/tacker_functional_test.rst
@@ -118,7 +118,7 @@ Committing testcase and opening a review:
 
 * Once testcase is added in local setup, commit the testcase and open for
   review using below guidelines:
-  http://docs.openstack.org/infra/manual/developers.html
+  https://docs.openstack.org/infra/manual/developers.html
 
 Sample testcase:
 ================
diff --git a/doc/source/install/manual_installation.rst b/doc/source/install/manual_installation.rst
index abf22f83b..c43b1ad45 100644
--- a/doc/source/install/manual_installation.rst
+++ b/doc/source/install/manual_installation.rst
@@ -26,14 +26,14 @@ Pre-requisites
 ==============
 
 1). Ensure that OpenStack components Keystone, Glance, Nova, Neutron, Heat and
-Horizon are installed. Refer http://docs.openstack.org/ for installation of
+Horizon are installed. Refer https://docs.openstack.org/ for installation of
 OpenStack on different Operating Systems.
 
 2). Create client environment scripts "admin-openrc.sh" and "demo-openrc.sh"
 for the admin and demo projects. Sample instructions for Ubuntu can be found
 at link below:
 
-http://docs.openstack.org/newton/install-guide-ubuntu/keystone-openrc.html#creating-the-scripts
+https://docs.openstack.org/newton/install-guide-ubuntu/keystone-openrc.html#creating-the-scripts
 
 3). Ensure that the below required packages are installed on the system.
 
diff --git a/doc/source/user/enhanced_placement_awareness_usage_guide.rst b/doc/source/user/enhanced_placement_awareness_usage_guide.rst
index e83de306c..dd7a150bb 100644
--- a/doc/source/user/enhanced_placement_awareness_usage_guide.rst
+++ b/doc/source/user/enhanced_placement_awareness_usage_guide.rst
@@ -85,7 +85,7 @@ nova.conf file.
 The SR-IOV feature enablement requires configuration on both the controller
 and compute nodes. Please refer link similar to below for the appropriate
 OpenStack release to setup SR-IOV:
-http://docs.openstack.org/networking-guide/config-sriov.html
+https://docs.openstack.org/networking-guide/config-sriov.html
 
 The CPU Pinning feature enablement requires configuring the nova.conf on
 compute nodes. It requires an entry similar to below:
diff --git a/doc/source/user/vnf_component_usage_guide.rst b/doc/source/user/vnf_component_usage_guide.rst
index 21568aa3f..aab389ba2 100644
--- a/doc/source/user/vnf_component_usage_guide.rst
+++ b/doc/source/user/vnf_component_usage_guide.rst
@@ -43,8 +43,8 @@ can be referred `here <https://github.com/openstack/heat-templates/blob/master/
 hot/software-config/elements/README.rst>`_. The tool
 'tools/vnfc/build_image.sh' can be used to generate such a kind of image.
 
-Currently VNFC feature works by using `heat software config <http://docs.openstack.org/
-developer/heat/template_guide/openstack.html#OS::Heat::SoftwareConfig>`_  which
+Currently VNFC feature works by using `heat software config <https://docs.openstack.org/heat/latest/
+template_guide/software_deployment.html#software-config-resources>`_  which
 makes use of heat API.
 
 So the glance images which has heat-config agents installed are only to be