Docs update

mirrord/config/src/feature.rs

@@ -83,6 +83,9 @@ pub struct FeatureConfig {
     ///
     /// Creates a new copy of the target. mirrord will use this copy instead of the original target
     /// (e.g. intercept network traffic). This feature requires a [mirrord operator](https://mirrord.dev/docs/teams/introduction/).
+    ///
+    /// This feature is not compatible with rollout targets and running without a target
+    /// (`targetless` mode).
     #[config(nested, unstable)]
     pub copy_target: CopyTargetConfig,
 }

mirrord/config/src/feature/copy_target.rs

@@ -38,8 +38,10 @@ pub enum CopyTargetFileConfig {
     Advanced {
         /// ### feature.copy_target.scale_down {#feature-copy_target-scale_down}
         ///
-        /// If this option is set and [`target`](#target) is a deployment,
-        /// mirrord will scale it down to 0 for the time the copied pod is alive.
+        /// If this option is set, mirrord will scale down the target deployment to 0 for the time
+        /// the copied pod is alive.
+        ///
+        /// This option is compatible only with deployment targets.
         scale_down: Option<bool>,
     },
 }