[vitorvasc]

• I have read and followed the Contributing docs, especially the "First-time contributing?" section.
• This PR has content that I did not fully write myself.
  • I used AI and I have read and followed the Generative AI Contribution Policy.
• I have the experience and knowledge necessary to understand, review, and validate all content in this PR.¹

---

Contributes to #11557.

• _index.md: set weight to 10, drop the override sentence and add the env-var-note.md include
• general.md: replace the alert with the env-var-note.md include
• pt renders the English include through the content/en/docs fallback mount
• Bump default_lang_commit and drop drifted_from_default in both files

> check:i18n
> node scripts/i18n/drift.mjs diff content/pt/docs/languages/sdk-configuration/_index.md content/pt/docs/languages/sdk-configuration/general.md
# content/pt/docs/languages/sdk-configuration/_index.md: drifted from 3e474f0f2a7976bf2637b12dab240ed84c1712b7
diff --git a/content/en/docs/languages/sdk-configuration/_index.md b/content/en/docs/languages/sdk-configuration/_index.md
index 4ccd6ed55..306ebf9ba 100644
--- a/content/en/docs/languages/sdk-configuration/_index.md
+++ b/content/en/docs/languages/sdk-configuration/_index.md
@@ -3,10 +3,11 @@ title: SDK Configuration
 linkTitle: SDK Config
 aliases: [/docs/concepts/sdk-configuration]
 redirects: [{ from: /docs/concepts/sdk-configuration/*, to: ':splat' }]
-weight: 1
+weight: 10
 ---
 
 OpenTelemetry SDKs support configuration in each language and with environment
 variables. The following pages describe the environment variables you can use to
-configure your SDK. Values set with environment variables override equivalent
-configuration in code using SDK APIs.
+configure your SDK.
+
+{{% include "env-var-note.md" %}}
# content/pt/docs/languages/sdk-configuration/general.md: drifted from 505e2d1d650a80f8a8d72206f2e285430bc6b36a
diff --git a/content/en/docs/languages/sdk-configuration/general.md b/content/en/docs/languages/sdk-configuration/general.md
index 4f47d13d8..bba00aae2 100644
--- a/content/en/docs/languages/sdk-configuration/general.md
+++ b/content/en/docs/languages/sdk-configuration/general.md
@@ -6,13 +6,7 @@ aliases: [general-sdk-configuration]
 cSpell:ignore: ottrace
 ---
 
-{{% alert title="Note" %}}
-
-Support for environment variables is optional. For detailed information on which
-environment variables each language implementation supports, see the
-[Implementation Compliance Matrix](https://github.com/open-telemetry/opentelemetry-specification/blob/main/spec-compliance-matrix.md#environment-variables).
-
-{{% /alert %}}
+{{% include "env-var-note.md" %}}
 
 ## `OTEL_SERVICE_NAME`
 
@@ -168,7 +162,7 @@ may be a comma-separated list.
 
 Accepted values for `OTEL_METRICS_EXPORTER` are:
 
-- `otlp`: [OTLP]
+- `otlp`: [OTLP][]
 - `prometheus`:
   [Prometheus](https://github.com/prometheus/docs/blob/main/docs/instrumenting/exposition_formats.md)
 - `console`: [Standard Output](/docs/specs/otel/metrics/sdk_exporters/stdout/)
@@ -187,7 +181,7 @@ may be a comma-separated list.
 
 Accepted values for `OTEL_LOGS_EXPORTER` are:
 
-- `otlp`: [OTLP]
+- `otlp`: [OTLP][]
 - `console`: [Standard Output](/docs/specs/otel/logs/sdk_exporters/stdout/)
 - `none`: No automatically configured exporter for logs.
 

Footnotes

1. Yes, I can answer maintainer questions about the content of this PR, without using AI. ↩

[opentelemetry-pr-dashboard]

Pull request dashboard status

Waiting on reviewers · refreshed 2026-10-23 12:22 UTC

Review the latest changes.

Status above doesn't look right?

• Just replied or pushed? Anything around or after the refresh time above may not be picked up yet — give it a few minutes.
• Anything look wrong? Report it with what you expected; it helps us improve the dashboard.