Add Tech Preview note
@@ -220,7 +220,11 @@ $ s2i rebuild <image name> [<new-tag-name>]
```
# s2i generate
-The `s2i generate` command produces a Dockerfile using an existing S2I base
+
+This command is a Technology Preview feature, and is subject to change or be
+removed without notice in a future release.
+
+The `s2i generate` command generates a Dockerfile using an existing S2I builder
image that can be used to produce an image by any application supporting the
format.
