diff --git a/docs/concepts/overview/working-with-objects/labels.md b/docs/concepts/overview/working-with-objects/labels.md
index 91e90e8a81..8e4019fb77 100644
--- a/docs/concepts/overview/working-with-objects/labels.md
+++ b/docs/concepts/overview/working-with-objects/labels.md
@@ -38,7 +38,7 @@ Example labels:
    * `"partition" : "customerA"`, `"partition" : "customerB"`
    * `"track" : "daily"`, `"track" : "weekly"`
 
-These are just examples; you are free to develop your own conventions.
+These are just examples of commonly used labels; you are free to develop your own conventions. Keep in mind that label Key must be unique for a given object.
 
 ## Syntax and character set