chore(KEP-1441): fix a wrong command line option

Author: oke-py

keps/sig-cli/1441-kubectl-debug/README.md

@@ -255,7 +255,7 @@ container.
 ```
 Examples:
   # Create a debug container as a copy of the original Pod and attach to it
-  kubectl debug mypod -it -container=debug --image=busybox --copy-to=my-debugger
+  kubectl debug mypod -it --container=debug --image=busybox --copy-to=my-debugger
 ```
 
 #### Modify Application Image by Copy