diff --git a/agent/dashboard/options.py b/agent/dashboard/options.py
index 736f61e3..3e22bd3c 100644
--- a/agent/dashboard/options.py
+++ b/agent/dashboard/options.py
@@ -101,10 +101,13 @@ def fable_disabled_fallback(effort: object = None) -> tuple[str, str]:
 def gate_fable_model(
     model_id: str, effort: str | None, *, fable_enabled: bool
 ) -> tuple[str, str | None]:
-    """ZDR guard: if Fable is disabled but a Fable id was resolved, swap in a
-    safe non-Fable model. Non-Fable selections pass through unchanged. Applied
-    at every model-construction entrypoint so a disabled Fable model can never
-    reach ``make_model``, no matter which layer selected it."""
+    """Provider-data-share gate: if Fable is disabled but a Fable id was
+    resolved, swap in a safe non-Fable model. Fable requires the account to opt
+    into Bedrock ``provider_data_share`` (prompts/completions shared with the
+    provider), so it is gated off by default. Non-Fable selections pass through
+    unchanged. Applied at every model-construction entrypoint so a disabled
+    Fable model can never reach ``make_model``, no matter which layer selected
+    it."""
     if not fable_enabled and isinstance(model_id, str) and model_id in FABLE_MODEL_IDS:
         return fable_disabled_fallback(effort)
     return model_id, effort
diff --git a/agent/dashboard/team_settings.py b/agent/dashboard/team_settings.py
index a51763c3..5c65b971 100644
--- a/agent/dashboard/team_settings.py
+++ b/agent/dashboard/team_settings.py
@@ -135,7 +135,7 @@ class TeamSettingsUpdate(BaseModel):
             self.default_chat_model, self.default_chat_reasoning_effort, "review chat"
         )
         if not self.fable_enabled:
-            # Disabling Fable is the ZDR kill switch and must always succeed: rather
+            # Disabling Fable is the provider-data-share kill switch and must always succeed: rather
             # than reject a payload that still carries a Fable default, swap each
             # Fable default to its safe non-Fable fallback (mirrors the runtime
             # gate_fable_model guard) so the stored record can't advertise Fable.
diff --git a/ui/src/routes/admin.tsx b/ui/src/routes/admin.tsx
index 81775b78..15b4ece6 100644
--- a/ui/src/routes/admin.tsx
+++ b/ui/src/routes/admin.tsx
@@ -713,7 +713,7 @@ function FableSection() {
   return (
     <SettingsSection
       title="Fable"
-      description="Claude Fable 5 runs safety classifiers that inspect and may retain requests, so it is not compatible with Zero Data Retention (ZDR). Off by default; enable only if your workspace does not require ZDR."
+      description="Claude Fable 5 requires opting into Bedrock provider data sharing: prompts and completions are retained and shared with Anthropic (up to 30 days, including human review). Off by default; enable only if your workspace accepts provider data sharing for this model."
     >
       <div className="divide-y divide-border">
         <SettingsRow