diff --git a/doc/source/contributor/architecture.rst b/doc/source/contributor/architecture.rst
index a587e84dfb..abb5f30d17 100644
--- a/doc/source/contributor/architecture.rst
+++ b/doc/source/contributor/architecture.rst
@@ -70,14 +70,14 @@ Following components are present in the Glance architecture:
 * **REST API** - Glance functionalities are exposed via REST.
 
 * **Database Abstraction Layer (DAL)** - an application programming interface
-    (API) that unifies the communication between Glance and databases.
+  (API) that unifies the communication between Glance and databases.
 
 * **Glance Domain Controller** - middleware that implements the main
-    Glance functionalities such as authorization, notifications, policies,
-    database connections.
+  Glance functionalities such as authorization, notifications, policies,
+  database connections.
 
 * **Glance Store** - used to organize interactions between Glance and various
-    data stores.
+  data stores.
 
 * **Registry Layer** - optional layer that is used to organise secure
-    communication between the domain and the DAL by using a separate service.
+  communication between the domain and the DAL by using a separate service.