diff --git a/dynamic-config-fs/README.md b/dynamic-config-fs/README.md
index 3cb1ed49..fe1695bc 100644
--- a/dynamic-config-fs/README.md
+++ b/dynamic-config-fs/README.md
@@ -1,2 +1,2 @@
 To learn about this sandbox and for instructions on how to run it please head over
-to the [Envoy docs](https://www.envoyproxy.io/docs/envoy/latest/start/sandboxes/dynamic-configuration-filesystem.html).
+to the [Envoy docs](https://www.envoyproxy.io/docs/envoy/latest/start/sandboxes/dynamic-config-fs.html).
diff --git a/fault-injection/README.md b/fault-injection/README.md
index bda89392..73c334cb 100644
--- a/fault-injection/README.md
+++ b/fault-injection/README.md
@@ -1,2 +1,2 @@
 To learn about this sandbox and for instructions on how to run it please head over
-to the [Envoy docs](https://www.envoyproxy.io/docs/envoy/latest/start/sandboxes/fault_injection.html).
+to the [Envoy docs](https://www.envoyproxy.io/docs/envoy/latest/start/sandboxes/fault-injection.html).
diff --git a/front-proxy/README.md b/front-proxy/README.md
index 95dd5abd..75ca75df 100644
--- a/front-proxy/README.md
+++ b/front-proxy/README.md
@@ -1,2 +1,2 @@
 To learn about this sandbox and for instructions on how to run it please head over
-to the [envoy docs](https://www.envoyproxy.io/docs/envoy/latest/start/sandboxes/front_proxy.html)
+to the [envoy docs](https://www.envoyproxy.io/docs/envoy/latest/start/sandboxes/front-proxy.html)
diff --git a/golang-http/README.md b/golang-http/README.md
index 73def7ce..452e9bd8 100644
--- a/golang-http/README.md
+++ b/golang-http/README.md
@@ -1,2 +1,2 @@
 To learn about this sandbox and for instructions on how to run it please head over
-to the [Envoy docs](https://www.envoyproxy.io/docs/envoy/latest/start/sandboxes/golang.html).
+to the [Envoy docs](https://www.envoyproxy.io/docs/envoy/latest/start/sandboxes/golang-http.html).
diff --git a/grpc-bridge/README.md b/grpc-bridge/README.md
index e3d746fa..228c8b4f 100644
--- a/grpc-bridge/README.md
+++ b/grpc-bridge/README.md
@@ -1,5 +1,5 @@
 To learn about this sandbox and for instructions on how to run it please head over
-to the [envoy docs](https://www.envoyproxy.io/docs/envoy/latest/start/sandboxes/grpc_bridge)
+to the [envoy docs](https://www.envoyproxy.io/docs/envoy/latest/start/sandboxes/grpc-bridge.html)
 
 # gRPC HTTP/1.1 to HTTP/2 bridge
 
diff --git a/jaeger-tracing/README.md b/jaeger-tracing/README.md
index 5124026a..0eca5baf 100644
--- a/jaeger-tracing/README.md
+++ b/jaeger-tracing/README.md
@@ -1,2 +1,2 @@
 To learn about this sandbox and for instructions on how to run it please head over
-to the [envoy docs](https://www.envoyproxy.io/docs/envoy/latest/start/sandboxes/jaeger_tracing)
+to the [envoy docs](https://www.envoyproxy.io/docs/envoy/latest/start/sandboxes/jaeger-tracing)
diff --git a/load-reporting-service/README.md b/load-reporting-service/README.md
index 10335ed5..43b46dfd 100644
--- a/load-reporting-service/README.md
+++ b/load-reporting-service/README.md
@@ -1,2 +1,2 @@
 To learn about this sandbox and for instructions on how to run it please head over
-to the [envoy docs](https://www.envoyproxy.io/docs/envoy/latest/start/sandboxes/load_reporting_service.html)
+to the [envoy docs](https://www.envoyproxy.io/docs/envoy/latest/start/sandboxes/load-reporting-service.html)
diff --git a/wasm-cc/README.md b/wasm-cc/README.md
index f5e04fd7..a7c8fde8 100644
--- a/wasm-cc/README.md
+++ b/wasm-cc/README.md
@@ -1,2 +1,2 @@
 To learn about this sandbox and for instructions on how to run it please head over
-to the [envoy docs](https://www.envoyproxy.io/docs/envoy/latest/start/sandboxes/wasm-cc).
+to the [envoy docs](https://www.envoyproxy.io/docs/envoy/latest/start/sandboxes/wasmcc.html).