diff --git a/developer/services/admin-api.md b/developer/services/admin-api.md
index cdfcc655..c5a2d383 100644
--- a/developer/services/admin-api.md
+++ b/developer/services/admin-api.md
@@ -132,6 +132,7 @@ to set the policy using current mechanism.
 | `admin.vm.volume.Resize`               | vm        | volume    | size_in_bytes                             | -                                                         | id. |
 | `admin.vm.volume.Import`               | vm        | volume    | raw volume data                           | -                                                         | id. |
 | `admin.vm.volume.ImportWithSize`       | vm        | volume    | `<size_in_bytes>\n<raw volume data>`      | -                                                         | new version of `admin.vm.volume.Import`, allows new volume to be different size |
+| `admin.vm.volume.Clear`                | vm        | volume    | -                                         | -                                                         | clear contents of volume |
 | `admin.vm.volume.CloneFrom`            | vm        | volume    | -                                         | token, to be used in `admin.vm.volume.CloneTo`            | obtain a token to copy `volume` of `vm`;<br/>the token is one time use only, it's invalidated by `admin.vm.volume.CloneTo`, even if the operation fails |
 | `admin.vm.volume.CloneTo`              | vm        | volume    | token, obtained with `admin.vm.volume.CloneFrom` | -                                                         | copy volume pointed by a token to `volume` of `vm` |
 | `admin.vm.Start`                       | vm        | -         | -                                         | -                                                         |