Update docs/redis-proxy-deployment.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: bootjp

docs/redis-proxy-deployment.md

@@ -178,7 +178,7 @@ spec:
               memory: 512Mi
 ```
 
-> **Note:** The distroless base image does not include `redis-cli`. For Kubernetes probes, use a `tcpSocket` probe instead or add a sidecar/init container with `redis-cli`.
+> **Note:** The distroless base image does not include `redis-cli`. If you want to use the `exec`-based probes above, build a redis-proxy image that includes `redis-cli` (or another ping tool) in the same container. Otherwise, prefer a `tcpSocket` probe (as below) or an HTTP health endpoint.
 
 ```yaml
 # Alternative: TCP socket probe (no redis-cli needed)