diff --git a/guides/common/assembly_using-ansible-roles.adoc b/guides/common/assembly_using-ansible-roles.adoc
index d69fe4a9ab2..7dee3ee9681 100644
--- a/guides/common/assembly_using-ansible-roles.adoc
+++ b/guides/common/assembly_using-ansible-roles.adoc
@@ -13,3 +13,5 @@ include::modules/proc_assigning-ansible-roles-to-a-host-group.adoc[leveloffset=+
 include::modules/proc_running-ansible-roles-on-a-host-group.adoc[leveloffset=+1]
 
 include::modules/proc_running-ansible-roles-in-check-mode.adoc[leveloffset=+1]
+
+include::modules/proc_running-ansible-roles-in-diff-mode.adoc[leveloffset=+1]
diff --git a/guides/common/modules/proc_running-ansible-roles-in-diff-mode.adoc b/guides/common/modules/proc_running-ansible-roles-in-diff-mode.adoc
new file mode 100644
index 00000000000..5e0f20a49c9
--- /dev/null
+++ b/guides/common/modules/proc_running-ansible-roles-in-diff-mode.adoc
@@ -0,0 +1,16 @@
+[id="running-ansible-roles-in-diff-mode"]
+= Running Ansible roles in diff mode
+
+You can run Ansible roles in diff mode through the {ProjectWebUI}.
+
+.Prerequisites
+* You must configure your deployment to run Ansible roles.
+For more information, see xref:Configuring_Your_{project-context}_to_Run_Ansible_Roles_{context}[].
+* You must have assigned the Ansible roles to the host group.
+* You must have at least one host in your host group.
+
+.Procedure
+. In the {ProjectWebUI}, navigate to *Hosts* > *All Hosts*.
+. Click *Edit* for the host you want to enable diff mode for.
+. In the *Parameters* tab, ensure that the host has a parameter named `ansible_roles_diff_mode` with type `boolean` set to `true`.
+. Click *Submit*.