diff --git a/docs/source/advanced/cluster_maintenance/index.rst b/docs/source/advanced/cluster_maintenance/index.rst
index e4fcb7ff7..de21e9e6d 100644
--- a/docs/source/advanced/cluster_maintenance/index.rst
+++ b/docs/source/advanced/cluster_maintenance/index.rst
@@ -4,7 +4,7 @@ Cluster Maintenance
 .. toctree::
    :maxdepth: 2
 
-   compute_node/index.rst 
+   compute_node/index.rst
    mgmt_node/index.rst
    service_node/index.rst
    sw_fw_inventory.rst