add unit of --ttl duration (#3915)

* add unit of --ttl duration fix #3890 * fix typo
2017-05-31 01:41:16 +07:00
parent 2660141c20
commit d905c3838f
1 changed files with 1 additions and 1 deletions
@@ -331,7 +331,7 @@ commands.
 * `kubeadm token create` Creates a new token.
    * `--description` Set the description on the new token.
    * `--ttl duration` Set expiration time of the token as a delta from "now".
-      Default is 0 for no expiration.
+      Default is 0 for no expiration. The unit of the duration is seconds.
    * `--usages` Set the ways that the token can be used.  The default is
      `signing,authentication`.  These are the usages as described above.
 * `kubeadm token delete <token id>|<token id>.<token secret>` Delete a token.