diff --git a/plugin-designs/doxa-maps-spa/doxa-maps-spa.vue b/plugin-designs/doxa-maps-spa/doxa-maps-spa.vue
index 1d0d19941..efd980cc6 100644
--- a/plugin-designs/doxa-maps-spa/doxa-maps-spa.vue
+++ b/plugin-designs/doxa-maps-spa/doxa-maps-spa.vue
@@ -364,7 +364,10 @@ const NOT_EXPERIMENTAL = new Set([
   // posterverse is the OTHER capability-5 shell (the poster plugins). Shown here it would be a
   // whole second rail inside this pane: a shell does not nest a shell, for the same reason this
   // shell excludes itself above.
-  'posterverse'
+  'posterverse',
+  // bible-posters lives on POSTERVERSE's Experimental shelf, and only there: one poster plugin, shown
+  // once, in the shell that gathers the poster plugins.
+  'bible-posters'
 ])
 
 // ── EXPERIMENTAL ORDER = KINGDOM IMPACT, not the alphabet ────────────────────────────────