diff --git a/config/crd/bases/barmancloud.cnpg.io_objectstores.yaml b/config/crd/bases/barmancloud.cnpg.io_objectstores.yaml
index c5cf971..bb7db1e 100644
--- a/config/crd/bases/barmancloud.cnpg.io_objectstores.yaml
+++ b/config/crd/bases/barmancloud.cnpg.io_objectstores.yaml
@@ -460,7 +460,9 @@ spec:
                               description: Selects a key of a ConfigMap.
                               properties:
                                 key:
-                                  description: The key to select.
+                                  description: |-
+                                    The key to select from the ConfigMap's Data field.
+                                    Keys in the BinaryData field are not currently propagated to container env vars.
                                   type: string
                                 name:
                                   default: ""
diff --git a/manifest.yaml b/manifest.yaml
index 85115ea..118beaf 100644
--- a/manifest.yaml
+++ b/manifest.yaml
@@ -459,7 +459,9 @@ spec:
                               description: Selects a key of a ConfigMap.
                               properties:
                                 key:
-                                  description: The key to select.
+                                  description: |-
+                                    The key to select from the ConfigMap's Data field.
+                                    Keys in the BinaryData field are not currently propagated to container env vars.
                                   type: string
                                 name:
                                   default: ""