Updates to hello world.

hello-world/README.md

@@ -20,6 +20,14 @@ Hello World requests presentation access only. It receives no focused text,
 uses no network services, and stores no settings. Source and distribution are
 licensed under GPL-3.0-or-later; see [LICENSE](LICENSE).
 
+## Repository installation
+
+Refresh the source in global Preferences → Tentacles. Space on Hello World
+opens first-use review and installs/enables the package after acceptance.
+**Install** saves it disabled instead. The release must be published at the
+catalog URL; building locally alone does not make it downloadable. Refresh
+status until Active before trying the shortcut.
+
 ## Local launch
 
 Run `make build` from the repository root. Rebuild Cthulhu-Go with the matching
@@ -72,7 +80,7 @@ Resource limits do not make untrusted same-user programs safe.
 5. Check speech off/beeps and disabled Braille settings. Hello World must respect
    them. Remap or occupy the suggested binding and check core/user precedence.
 
-Audible speech, physical shortcuts, actual display output and the eventual
+Audible speech, physical shortcuts, actual display output and the
 repository-installation workflow require these live checks; protocol tests do
 not establish them.