diff --git a/doc/arch-design/source/design-cmp-tools.rst b/doc/arch-design/source/design-cmp-tools.rst
index 760d8ddb25..196f623031 100644
--- a/doc/arch-design/source/design-cmp-tools.rst
+++ b/doc/arch-design/source/design-cmp-tools.rst
@@ -1,6 +1,6 @@
-===============================
-Cloud management platform tools
-===============================
+=============================
+Cloud management architecture
+=============================
 
 Complex clouds, in particular hybrid clouds, may require tools to
 facilitate working across multiple clouds.
diff --git a/doc/arch-design/source/design-compute.rst b/doc/arch-design/source/design-compute.rst
index a5cd1546f9..59674d80d1 100644
--- a/doc/arch-design/source/design-compute.rst
+++ b/doc/arch-design/source/design-compute.rst
@@ -1,6 +1,6 @@
-===================
-Compute node design
-===================
+====================
+Compute architecture
+====================
 
 .. toctree::
   :maxdepth: 3
diff --git a/doc/arch-design/source/design-control-plane.rst b/doc/arch-design/source/design-control-plane.rst
index 8b76298b51..7a9c7c775c 100644
--- a/doc/arch-design/source/design-control-plane.rst
+++ b/doc/arch-design/source/design-control-plane.rst
@@ -1,6 +1,6 @@
-=============
-Control Plane
-=============
+==========================
+Control plane architecture
+==========================
 
 .. From Ops Guide chapter: Designing for Cloud Controllers and Cloud
    Management
diff --git a/doc/arch-design/source/design-identity.rst b/doc/arch-design/source/design-identity.rst
index da04177add..e52328a627 100644
--- a/doc/arch-design/source/design-identity.rst
+++ b/doc/arch-design/source/design-identity.rst
@@ -1,3 +1,3 @@
-========
-Identity
-========
+=====================
+Identity architecture
+=====================
diff --git a/doc/arch-design/source/design-images.rst b/doc/arch-design/source/design-images.rst
index b849873b8e..2dcf494b6c 100644
--- a/doc/arch-design/source/design-images.rst
+++ b/doc/arch-design/source/design-images.rst
@@ -1,3 +1,3 @@
-======
-Images
-======
+==========================
+Image Service architecture
+==========================
diff --git a/doc/arch-design/source/design-networking.rst b/doc/arch-design/source/design-networking.rst
index 5f09f51b0a..f563640eaa 100644
--- a/doc/arch-design/source/design-networking.rst
+++ b/doc/arch-design/source/design-networking.rst
@@ -1,8 +1,8 @@
 .. _network-design:
 
-==========
-Networking
-==========
+====================
+Network architecture
+====================
 
 .. toctree::
    :maxdepth: 2
diff --git a/doc/arch-design/source/design-storage.rst b/doc/arch-design/source/design-storage.rst
index 2b14770378..cc9a506701 100644
--- a/doc/arch-design/source/design-storage.rst
+++ b/doc/arch-design/source/design-storage.rst
@@ -1,6 +1,6 @@
-==============
-Storage design
-==============
+====================
+Storage architecture
+====================
 
 Storage is found in many parts of the OpenStack cloud environment. This
 chapter describes storage type, design considerations and options when