Added MIGRATING notes
diff --git a/MIGRATING.md b/MIGRATING.md
index 8b13789..62bdf8c 100644
--- a/MIGRATING.md
+++ b/MIGRATING.md
@@ -1 +1,23 @@
+# Compute
+## Floating IPs
+
+* `github.com/gophercloud/gophercloud/openstack/compute/v2/extensions/floatingip` is now `github.com/gophercloud/gophercloud/openstack/compute/v2/extensions/floatingips`
+* `floatingips.Associate` and `floatingips.Disassociate` have been removed.
+* `floatingips.DisassociateOpts` is now required to disassociate a Floating IP.
+
+## Security Groups
+
+* `secgroups.AddServerToGroup` is now `secgroups.AddServer`.
+* `secgroups.RemoveServerFromGroup` is now `secgroups.RemoveServer`.
+
+## Servers
+
+* `servers.Reboot` now requires a `servers.RebootOpts` struct:
+
+ ```golang
+ rebootOpts := &servers.RebootOpts{
+ Type: servers.SoftReboot,
+ }
+ res := servers.Reboot(client, server.ID, rebootOpts)
+ ```