Update accepted exporters in SDK configuration (#5733)

Co-authored-by: opentelemetrybot <[email protected]>
Co-authored-by: Phillip Carter <[email protected]>

content/en/docs/languages/sdk-configuration/general.md

@@ -133,7 +133,8 @@ Accepted values for `OTEL_PROPAGATORS` are:
 
 ## `OTEL_TRACES_EXPORTER`
 
-Specifies which exporter is used for traces.
+Specifies which exporter is used for traces. Depending on the implementation it
+may be a comma-separated list.
 
 **Default value:** `"otlp"`
 
@@ -146,11 +147,13 @@ Accepted values for are:
 - `"otlp"`: [OTLP][]
 - `"jaeger"`: export in Jaeger data model
 - `"zipkin"`: [Zipkin](https://zipkin.io/zipkin-api/)
+- `"console"`: [Standard Output](/docs/specs/otel/trace/sdk_exporters/stdout/)
 - `"none"`: No automatically configured exporter for traces.
 
 ## `OTEL_METRICS_EXPORTER`
 
-Specifies which exporter is used for metrics.
+Specifies which exporter is used for metrics. Depending on the implementation it
+may be a comma-separated list.
 
 **Default value:** `"otlp"`
 
@@ -163,11 +166,13 @@ Accepted values for `OTEL_METRICS_EXPORTER` are:
 - `"otlp"`: [OTLP][]
 - `"prometheus"`:
   [Prometheus](https://github.com/prometheus/docs/blob/main/content/docs/instrumenting/exposition_formats.md)
+- `"console"`: [Standard Output](/docs/specs/otel/metrics/sdk_exporters/stdout/)
 - `"none"`: No automatically configured exporter for metrics.
 
 ## `OTEL_LOGS_EXPORTER`
 
-Specifies which exporter is used for logs.
+Specifies which exporter is used for logs. Depending on the implementation it
+may be a comma-separated list.
 
 **Default value:** `"otlp"`
 
@@ -178,6 +183,7 @@ Specifies which exporter is used for logs.
 Accepted values for `OTEL_LOGS_EXPORTER` are:
 
 - `"otlp"`: [OTLP][]
+- `"console"`: [Standard Output](/docs/specs/otel/logs/sdk_exporters/stdout/)
 - `"none"`: No automatically configured exporter for logs.
 
 [otlp]: /docs/specs/otlp/