diff --git a/content/en/profiler/enabling/ruby.md b/content/en/profiler/enabling/ruby.md
index 3305271d629e0..892c2aef91c77 100644
--- a/content/en/profiler/enabling/ruby.md
+++ b/content/en/profiler/enabling/ruby.md
@@ -33,7 +33,7 @@ The following operating systems and architectures are supported:
 - Linux (GNU libc) x86-64, aarch64
 - Alpine Linux (musl libc) x86-64, aarch64
 
-You also need either the [`pkg-config`](https://www.freedesktop.org/wiki/Software/pkg-config/) or the [`pkgconf`](https://github.com/pkgconf/pkgconf) Linux system utility installed.
+You also need either the [`pkg-config`](https://www.freedesktop.org/wiki/Software/pkg-config/) or the [`pkgconf`](https://github.com/pkgconf/pkgconf) system utility installed.
 This utility is available on the software repositories of most Linux distributions. For example:
 
 - The `pkg-config` package is available for [Homebrew](https://formulae.brew.sh/formula/pkg-config), and [Debian](https://packages.debian.org/search?keywords=pkg-config)- and [Ubuntu](https://packages.ubuntu.com/search?keywords=pkg-config)-based Linux
@@ -42,6 +42,9 @@ This utility is available on the software repositories of most Linux distributio
 
 Continuous Profiler is not supported on serverless platforms, such as AWS Lambda.
 
+[Single Step Instrumentation](https://docs.datadoghq.com/tracing/trace_collection/automatic_instrumentation/single-step-apm/) is not supported for Linux hosts, VMs, or Docker.
+Single Step Instrumentation is supported for Kubernetes (using the Datadog Helm chart), but you need to manually set the `DD_PROFILING_ENABLED=true` environment variable to enable profiling.
+
 ## Installation
 
 To begin profiling applications: