docs: update managed_by description

Author: bschaatsbergen

docs/resources/pipeline.md

@@ -47,7 +47,7 @@ resource "marmot_pipeline" "bigquery_analytics" {
 - `id` (String) Pipeline ID
 - `last_run_at` (String) Timestamp of the most recent run
 - `last_run_status` (String) Status of the most recent run
-- `managed_by` (String) What manages the pipeline, for example the API or the CLI
+- `managed_by` (String) External controller that runs this pipeline, such as the Marmot Kubernetes operator. Empty for Terraform-managed pipelines, which the server runs on their cron.
 - `next_run_at` (String) Timestamp of the next scheduled run
 - `updated_at` (String) Last update timestamp
 

internal/provider/pipeline_resource.go

@@ -108,8 +108,9 @@ func (r *PipelineResource) Schema(ctx context.Context, req resource.SchemaReques
 				},
 			},
 			"managed_by": schema.StringAttribute{
-				MarkdownDescription: "What manages the pipeline, for example the API or the CLI",
-				Computed:            true,
+				MarkdownDescription: "External controller that runs this pipeline, such as the Marmot " +
+					"Kubernetes operator. Empty for Terraform-managed pipelines, which the server runs on their cron.",
+				Computed: true,
 			},
 			"last_run_status": schema.StringAttribute{
 				MarkdownDescription: "Status of the most recent run",