diff --git a/CHANGELOG.md b/CHANGELOG.md
index f56034a6ff2..1b96a6e2a79 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,7 +17,8 @@ release.
### Metrics
- Add optional min / max fields to histogram data model.
- ([#1915](https://github.com/open-telemetry/opentelemetry-specification/pull/1915))
+ ([#1915](https://github.com/open-telemetry/opentelemetry-specification/pull/1915),
+ [#1983](https://github.com/open-telemetry/opentelemetry-specification/pull/1983))
- Add exponential histogram to the metrics data model.
([#1935](https://github.com/open-telemetry/opentelemetry-specification/pull/1935))
- Add clarifications on how to handle numerical limits.
diff --git a/specification/metrics/sdk.md b/specification/metrics/sdk.md
index 2ce7a1277d6..8b428977e2f 100644
--- a/specification/metrics/sdk.md
+++ b/specification/metrics/sdk.md
@@ -385,6 +385,7 @@ This Aggregation honors the following configuration parameters:
| --- | --- | --- | --- |
| Temporality | Delta, Cumulative | Cumulative | See [Temporality](./datamodel.md#temporality). |
| Boundaries | double\[\] | [ 0, 5, 10, 25, 50, 75, 100, 250, 500, 1000 ] | Array of increasing values representing explicit bucket boundary values.
The Default Value represents the following buckets:
(-∞, 0], (0, 5.0], (5.0, 10.0], (10.0, 25.0], (25.0, 50.0], (50.0, 75.0], (75.0, 100.0], (100.0, 250.0], (250.0, 500.0], (500.0, 1000.0], (1000.0, +∞) |
+| RecordMinMax | true, false | true | Whether to record min and max. |
Note: This aggregator should not fill out `sum` when used with instruments
that record negative measurements, e.g. `UpDownCounter` or `ObservableGauge`.
@@ -393,6 +394,8 @@ This Aggregation informs the SDK to collect:
- Count of `Measurement` values falling within explicit bucket boundaries.
- Arithmetic sum of `Measurement` values in population.
+- Min (optional) `Measurement` value in population.
+- Max (optional) `Measurement` value in population.
## Attribute limits
@@ -485,9 +488,9 @@ The SDK will come with two types of built-in exemplar reservoirs:
1. SimpleFixedSizeExemplarReservoir
2. AlignedHistogramBucketExemplarReservoir
-By default, fixed sized histogram aggregators will use
-`AlignedHistogramBucketExemplarReservoir` and all other aggregaators will use
-`SimpleFixedSizeExemplarReservoir`.
+By default, explicit bucket histogram aggregators with more than 1 bucket will
+use `AlignedHistogramBucketExemplarReservoir`. All other aggregators will
+use `SimpleFixedSizeExemplarReservoir`.
*SimpleExemplarReservoir*
This Exemplar reservoir MAY take a configuration parameter for the size of