diff --git a/api-ref/src/wadls/object-api/src/os-object-api-1.0.wadl b/api-ref/src/wadls/object-api/src/os-object-api-1.0.wadl
index 43213062e..973465a4d 100644
--- a/api-ref/src/wadls/object-api/src/os-object-api-1.0.wadl
+++ b/api-ref/src/wadls/object-api/src/os-object-api-1.0.wadl
@@ -29,11 +29,22 @@
                     type="#ContainerDetails">
                     <param name="container" style="template"
                         type="xsd:string">
-                        <wadl:doc
-                            xmlns="http://docbook.org/ns/docbook"
-                            xml:lang="EN">
-                            <para>The unique name for the
-                                container.</para></wadl:doc>
+                        <wadl:doc xmlns="http://docbook.org/ns/docbook"
+                                  xml:lang="EN">
+                           <para>
+                            The unique name for the container.
+                           </para>
+                           <para>
+                            The container name must be from 1 to 256
+                            characters long and can start with any character
+                            and contain any pattern. Character set must be
+                            UTF-8. The container name cannot contain a slash
+                            (<code>/</code>) character because this character
+                            delimits the container
+                            and object name. For example,
+                            <code>/account/container/object</code>.
+                          </para>
+                        </wadl:doc>
                     </param>
                     <method href="#createContainer"/>
                     <method href="#deleteContainer"/>