diff --git a/doc/source/install/advanced_deployment/server_blacklist.rst b/doc/source/install/advanced_deployment/server_blacklist.rst
index e95c8cd9..b6e5bbfa 100644
--- a/doc/source/install/advanced_deployment/server_blacklist.rst
+++ b/doc/source/install/advanced_deployment/server_blacklist.rst
@@ -33,6 +33,10 @@ stack operation.
 The blacklist can be used during scale out operations or for isolating changes
 to certain servers only.
 
+.. warning::
+  Blacklisting servers disables **all** updates to the blacklisted nodes, even
+  for those deployments that could be considered critical.
+
 .. warning::
   Blacklisting servers should be done with caution, and only when the operator
   understands that the requested change can be applied with a blacklist in