diff --git a/Documentation/cluster-crd.md b/Documentation/cluster-crd.md
index 89fef0810..a28bd8b04 100644
--- a/Documentation/cluster-crd.md
+++ b/Documentation/cluster-crd.md
@@ -72,7 +72,7 @@ Below are the settings available, both at the cluster and individual node level,
 
 ### Placement Configuration Settings
 
-Placement configuration for the cluster services. It includes the following keys: `api`, `mds`, `mon`, `osd`, `rgw` and `all`. Each service will have its placement configuration generated by merging the generic configuration under `all` with the most specific one (which will override any attributes).
+Placement configuration for the cluster services. It includes the following keys: `api`, `mgr`, `mon`, `osd` and `all`. Each service will have its placement configuration generated by merging the generic configuration under `all` with the most specific one (which will override any attributes).
 
 A Placement configuration is specified (according to the kubernetes [PodSpec](https://kubernetes.io/docs/api-reference/v1.6/#podspec-v1-core)) as:
 - `nodeAffinity`: kubernetes [NodeAffinity](https://kubernetes.io/docs/api-reference/v1.6/#nodeaffinity-v1-core)