diff --git a/doc/user-guide/section_dashboard_manage_images.xml b/doc/user-guide/section_dashboard_manage_images.xml
index bfa6faa3df..5195ad6a35 100644
--- a/doc/user-guide/section_dashboard_manage_images.xml
+++ b/doc/user-guide/section_dashboard_manage_images.xml
@@ -110,7 +110,7 @@
             </td>
             <td>
               <para>Specify the architecture. For example, <literal>i386</literal>
-              for a 32-bit architecture or <literal>x86-64</literal> for a 64-bit
+              for a 32-bit architecture or <literal>x86_64</literal> for a 64-bit
               architecture.</para>
               </td>
             </tr>