diff --git a/docs/channels/groups.md b/docs/channels/groups.md
index 50c4d70164f..97822134d6a 100644
--- a/docs/channels/groups.md
+++ b/docs/channels/groups.md
@@ -116,7 +116,7 @@ Want “groups can only see folder X” instead of “no host access”? Keep `w
 
 Related:
 
-- Configuration keys and defaults: [Gateway configuration](/gateway/configuration-reference#agents-defaults-sandbox)
+- Configuration keys and defaults: [Gateway configuration](/gateway/configuration-reference#agentsdefaultssandbox)
 - Debugging why a tool is blocked: [Sandbox vs Tool Policy vs Elevated](/gateway/sandbox-vs-tool-policy-vs-elevated)
 - Bind mounts details: [Sandboxing](/gateway/sandboxing#custom-bind-mounts)
 
diff --git a/docs/gateway/configuration.md b/docs/gateway/configuration.md
index 80972376dc3..420de920462 100644
--- a/docs/gateway/configuration.md
+++ b/docs/gateway/configuration.md
@@ -251,7 +251,7 @@ When validation fails:
 
     Build the image first: `scripts/sandbox-setup.sh`
 
-    See [Sandboxing](/gateway/sandboxing) for the full guide and [full reference](/gateway/configuration-reference#agents-defaults-sandbox) for all options.
+    See [Sandboxing](/gateway/sandboxing) for the full guide and [full reference](/gateway/configuration-reference#agentsdefaultssandbox) for all options.
 
   </Accordion>
 
diff --git a/docs/gateway/sandboxing.md b/docs/gateway/sandboxing.md
index e49372ddc41..ba4fe366e76 100644
--- a/docs/gateway/sandboxing.md
+++ b/docs/gateway/sandboxing.md
@@ -463,7 +463,7 @@ See [Multi-Agent Sandbox & Tools](/tools/multi-agent-sandbox-tools) for preceden
 ## Related docs
 
 - [OpenShell](/gateway/openshell) -- managed sandbox backend setup, workspace modes, and config reference
-- [Sandbox Configuration](/gateway/configuration-reference#agents-defaults-sandbox)
+- [Sandbox Configuration](/gateway/configuration-reference#agentsdefaultssandbox)
 - [Sandbox vs Tool Policy vs Elevated](/gateway/sandbox-vs-tool-policy-vs-elevated) -- debugging "why is this blocked?"
 - [Multi-Agent Sandbox & Tools](/tools/multi-agent-sandbox-tools) -- per-agent overrides and precedence
 - [Security](/gateway/security)
diff --git a/docs/help/faq.md b/docs/help/faq.md
index e620d448c4e..4b618f35dcd 100644
--- a/docs/help/faq.md
+++ b/docs/help/faq.md
@@ -1129,7 +1129,7 @@ Quick answers plus deeper troubleshooting for real-world setups (local dev, VPS,
 
     Setup walkthrough + example config: [Groups: personal DMs + public groups](/channels/groups#pattern-personal-dms-public-groups-single-agent)
 
-    Key config reference: [Gateway configuration](/gateway/configuration-reference#agents-defaults-sandbox)
+    Key config reference: [Gateway configuration](/gateway/configuration-reference#agentsdefaultssandbox)
 
   </Accordion>
 
diff --git a/docs/tools/multi-agent-sandbox-tools.md b/docs/tools/multi-agent-sandbox-tools.md
index e6c1760bcbb..874620207b5 100644
--- a/docs/tools/multi-agent-sandbox-tools.md
+++ b/docs/tools/multi-agent-sandbox-tools.md
@@ -360,5 +360,5 @@ After configuring multi-agent sandbox and tools:
 - [Sandbox vs Tool Policy vs Elevated](/gateway/sandbox-vs-tool-policy-vs-elevated) -- debugging "why is this blocked?"
 - [Elevated Mode](/tools/elevated)
 - [Multi-Agent Routing](/concepts/multi-agent)
-- [Sandbox Configuration](/gateway/configuration-reference#agents-defaults-sandbox)
+- [Sandbox Configuration](/gateway/configuration-reference#agentsdefaultssandbox)
 - [Session Management](/concepts/session)