diff --git a/ci/device-testing.rst b/ci/device-testing.rst
index 64a3b5400a7e189b5ecfe2ff5f4537800b56e366..32bbb8dd594e336957896e940311154eacc19527 100644
--- a/ci/device-testing.rst
+++ b/ci/device-testing.rst
@@ -2,13 +2,15 @@
 ..
 .. SPDX-License-Identifier: CC-BY-4.0
 
+.. include:: ../definitions.rst
+
 On-device Testing
 =================
 
 Overview
 --------
 
-All Scenarios OS implements distributed device testing using Linaro Automation
+|main_project_name| implements distributed device testing using Linaro Automation
 and Validation Architecture (LAVA). This architecture creates an environment
 where you can operate the necessary physical infrastructure responsible for
 testing development on real devices, like operating system boot-loader and
diff --git a/ci/docs.rst b/ci/docs.rst
index c4cfd27cd6022a19b8ce498274f637d650cf66dc..3a30c04b60e90b7ae799f226c1663069588a3b35 100644
--- a/ci/docs.rst
+++ b/ci/docs.rst
@@ -2,12 +2,14 @@
 ..
 .. SPDX-License-Identifier: CC-BY-4.0
 
+.. include:: ../definitions.rst
+
 The docs Repository
 ===================
 
 .. _docs repository: https://git.ostc-eu.org/OSTC/OHOS/docs.git
 
-The `docs repository`_ contains the general documentation of the All Scenarios OS
+The `docs repository`_ contains the general documentation of the |main_project_name|
 project. The documentation is normally written in reStructuredText, with an
 important difference. Unlike in a regular project, the documentation here is not
 standalone. Instead, the git repository contains symbolic links that are valid
diff --git a/ci/index.rst b/ci/index.rst
index 8c0678416c55ce193a741fbcfaded627c50da816..99ae05cc1e5b768de753b5214775882538ca0967 100644
--- a/ci/index.rst
+++ b/ci/index.rst
@@ -2,10 +2,12 @@
 ..
 .. SPDX-License-Identifier: CC-BY-4.0
 
+.. include:: ../definitions.rst
+
 Continuous Integration
 ======================
 
-All Scenarios OS ``git`` repositories hosted on https://git.ostc-eu.org/OSTC use
+|main_project_name| ``git`` repositories hosted on https://git.ostc-eu.org/OSTC use
 GitLab pipelines for building and testing changes before they are merged.
 Individual pipelines are documented in each repository, but some general or more
 important elements are described below.
diff --git a/ci/meta-ohos.rst b/ci/meta-ohos.rst
index d3c775062eec1cc412f6eb83132c148c5db5543b..2bf2eb78e4d391dab8032f4d2d8f2ae1db27726e 100644
--- a/ci/meta-ohos.rst
+++ b/ci/meta-ohos.rst
@@ -2,12 +2,14 @@
 ..
 .. SPDX-License-Identifier: CC-BY-4.0
 
+.. include:: ../definitions.rst
+
 The meta-ohos Repository
 ========================
 
 .. _meta-ohos repository: https://git.ostc-eu.org/OSTC/OHOS/meta-ohos.git
 
-The `meta-ohos repository`_ contains meta-layers specific to All Scenarios OS and is
+The `meta-ohos repository`_ contains meta-layers specific to |main_project_name| and is
 the second most important repository after the manifest repository.
 
 The CI pipeline is defined in the file ``.ostc-ci/gitlab-ci.yml``.
diff --git a/community-chat-platform.rst b/community-chat-platform.rst
index e84d8fd3a151b011e7fd55629f25113eaaecc571..68b0e3a5e898b63e2706513ec9ffe3c248e31870 100644
--- a/community-chat-platform.rst
+++ b/community-chat-platform.rst
@@ -2,6 +2,8 @@
 ..
 .. SPDX-License-Identifier: CC-BY-4.0
 
+.. include:: definitions.rst
+
 Community Chat Platform
 #######################
 
@@ -11,7 +13,7 @@ Community Chat Platform
 Overview
 ********
 
-The All Scenarios OS project has a friendly community providing an open platform for
+The |main_project_name| project has a friendly community providing an open platform for
 discussions. `The OSTC Mattermost instance <https://chat.ostc-eu.org>`_ is used
 as the primary communication tool by project members, contributors, and the
 community.
diff --git a/contributing/gitlab.rst b/contributing/gitlab.rst
index 6c5d53520488894d266bd294e957d99aa9c5ffd2..1436b86a54ed018642f3d722208adeae9c8ef32c 100644
--- a/contributing/gitlab.rst
+++ b/contributing/gitlab.rst
@@ -29,7 +29,7 @@ Commit Guidelines
     If you are new to ``git``, start by reading the official
     `Getting Started Document <https://git-scm.com/book/en/v2/Getting-Started-First-Time-Git-Setup>`_.
 
-At its core, contributing to the All Scenarios OS project means *wrapping* your work as ``git``
+At its core, contributing to the |main_project_name| project means *wrapping* your work as ``git``
 commits. How we handle this has an impact on rebasing, cherry-picking,
 back-porting, and ultimately exposing consistent documentation through its
 logs.
diff --git a/overview/allscenarios-vision.rst b/overview/allscenarios-vision.rst
index 865747a7990f066846bc5b9dce4605517798c810..c8252f6080333a7edf4ad53ec81fe1f235fbbcdf 100644
--- a/overview/allscenarios-vision.rst
+++ b/overview/allscenarios-vision.rst
@@ -4,8 +4,8 @@
 
 .. include:: ../definitions.rst
 
-All Scenarios OS vision and aims
-================================
+|main_project_name| vision and aims
+===================================
 
 System Positioning
 ------------------
diff --git a/repos/index.rst b/repos/index.rst
index c314c7eae2d46e8ca09503589b81ada6788848cd..eb33af3cdd666152d459c6ff7fe3a350acbcae97 100644
--- a/repos/index.rst
+++ b/repos/index.rst
@@ -2,10 +2,12 @@
 ..
 .. SPDX-License-Identifier: CC-BY-4.0
 
+.. include:: ../definitions.rst
+
 Git Repositories
 ================
 
-All Scenarios OS development is organized through a set of ``git`` repositories.
+|main_project_name| development is organized through a set of ``git`` repositories.
 Some of those are documented below.
 
 .. toctree::