Removed typo from feature group sample README.

Author: BriannaRoskind

samples/feature_group/README.md

@@ -38,7 +38,7 @@ $ kubectl get featuregroup
 To get more details about the feature group once it's submitted, like checking the status, errors or parameters of the feature group use the following command:
 
 ```
-$ kubectl describe featuregroup my-feature-group created
+$ kubectl describe featuregroup my-feature-group
 ```
 
 ## Ingesting Data into your Feature Group