diff --git a/module003-ch004-swift-building-blocks.xml b/module003-ch004-swift-building-blocks.xml
index 60908cbe..7252a120 100644
--- a/module003-ch004-swift-building-blocks.xml
+++ b/module003-ch004-swift-building-blocks.xml
@@ -58,9 +58,9 @@
             handle all incoming API requests. Once a Proxy Server
             receive a request, it will determine the storage node
             based on the URL of the object, such as <literal>
-			https://swift.example.com/v1/account/container/object
-			</literal>. The Proxy Servers also coordinates responses,
-			 handles failures and coordinates timestamps.</para>
+            https://swift.example.com/v1/account/container/object
+            </literal>. The Proxy Servers also coordinates responses,
+            handles failures and coordinates timestamps.</para>
         <para>Proxy servers use a shared-nothing architecture and can
             be scaled as needed based on projected workloads. A
             minimum of two Proxy Servers should be deployed for