diff --git a/packages/api/src/observability/config.ts b/packages/api/src/observability/config.ts
index 022dd264..72f386cb 100644
--- a/packages/api/src/observability/config.ts
+++ b/packages/api/src/observability/config.ts
@@ -23,14 +23,14 @@ function read(name: string): string {
 /** Which of Grafana's environments this server's lines and metrics are labelled with. */
 export const envLabel: EnvLabel = read('NODE_ENV') === 'production' ? 'production' : 'development';
 
-/** Grafana Cloud Loki, where the api ships its log when set; an empty address means stdout alone. */
+/** The Loki the api ships its log to when set; an empty address means stdout alone. */
 export const lokiConfig: LokiConfig = {
 	url: read('LOKI_URL'),
 	userId: read('LOKI_USER_ID'),
 	token: read('GRAFANA_CLOUD_TOKEN'),
 };
 
-/** Grafana Cloud's OTLP gateway, where the api pushes its metrics when set; nothing is pushed otherwise. */
+/** Where the api pushes its metrics over OTLP when set; nothing is pushed otherwise. */
 export const metricsConfig: Pick<MetricsConfig, 'url' | 'userId' | 'token'> = {
 	url: read('METRICS_OTLP_URL'),
 	userId: read('METRICS_USER_ID'),
diff --git a/packages/api/src/observability/log.ts b/packages/api/src/observability/log.ts
index 4f2a4117..6dfd622b 100644
--- a/packages/api/src/observability/log.ts
+++ b/packages/api/src/observability/log.ts
@@ -8,7 +8,7 @@ export type {Logger};
 export {serializeError} from '@proxy/observability';
 
 /**
- * The api's logger: stdout always, and Grafana Cloud Loki when LOKI_URL is set (config.ts). Every
+ * The api's logger: stdout always, and a Loki when LOKI_URL is set (config.ts). Every
  * line carries the request or job it was written in (request-context.ts).
  */
 export const log: Logger = createServerLogger({
diff --git a/packages/api/src/observability/metrics.ts b/packages/api/src/observability/metrics.ts
index afb146a2..77ba403c 100644
--- a/packages/api/src/observability/metrics.ts
+++ b/packages/api/src/observability/metrics.ts
@@ -6,7 +6,7 @@ import {type AgentMetrics, createAgentMetrics, createDbMetricsRecorder, createMe
 import {envLabel, metricsConfig} from './config';
 
 /**
- * The api's metrics, pushed to Grafana Cloud when METRICS_OTLP_URL is set (config.ts) and
+ * The api's metrics, pushed over OTLP when METRICS_OTLP_URL is set (config.ts) and
  * summed up for nothing otherwise. Each instance pushes as itself: Render names it, and a machine
  * elsewhere is its host and process.
  */
diff --git a/packages/docs/content/self-hosting/environment.mdx b/packages/docs/content/self-hosting/environment.mdx
index 911988fe..5e823eae 100644
--- a/packages/docs/content/self-hosting/environment.mdx
+++ b/packages/docs/content/self-hosting/environment.mdx
@@ -28,7 +28,8 @@ variables turn on quick actions on the home page.
 ## Observability
 
 The api writes its log to stdout, one JSON object per line, which `docker compose logs api` shows.
-These ship it to [Grafana Cloud](https://grafana.com/products/cloud/) as well, which hosted
-Personal Agent Proxy does; a self-hosted server needs none of them.
+These ship it to a [Loki](https://grafana.com/oss/loki/) as well, and its metrics to a Prometheus
+or any other store taking OTLP, as hosted Personal Agent Proxy does; a self-hosted server needs
+none of them.
 
 <EnvTable group="Observability" />
diff --git a/packages/observability/README.md b/packages/observability/README.md
index c2e2eac6..495bf7a5 100644
--- a/packages/observability/README.md
+++ b/packages/observability/README.md
@@ -5,11 +5,11 @@ goes. A self-hosted server needs none of it: without the variables below, the ap
 to stdout alone, one JSON object per line, and sums its metrics up for nothing.
 
 - `src/server.ts`: the server's logger. Stdout always, as text in development and as JSON lines in
-  production; Grafana Cloud Loki in batches when set, labelled by service, env and level.
+  production; a Loki in batches when set, labelled by service, env and level.
 - `src/client.ts`: the web app's logger, posted to the api in batches, which writes it on as the
   web app's or the desktop app's (`packages/api/src/observability/client-logs.ts`).
-- `src/metrics.ts`: counters, histograms and gauges, pushed to Grafana Cloud's OTLP gateway every
-  half minute. On it `db-metrics.ts` (every query), `tool-metrics.ts` (every request of an agent),
+- `src/metrics.ts`: counters, histograms and gauges, pushed over OTLP every half minute, to a
+  Prometheus or Grafana Cloud's gateway. On it `db-metrics.ts` (every query), `tool-metrics.ts` (every request of an agent),
   `agent-metrics.ts` (the built-in agent's jobs and every request of a model), and the probes
   `db-pool-probe.ts` (`SELECT 1` each second) and `job-queue-probe.ts` (the AgentJob queue).
 - `src/slack.ts`: the Slack notifier the api posts sign-ups with, and the internal repo's admin