diff --git a/semantic-conventions/CHANGELOG.md b/semantic-conventions/CHANGELOG.md
index 9428e7d5..bc502fac 100644
--- a/semantic-conventions/CHANGELOG.md
+++ b/semantic-conventions/CHANGELOG.md
@@ -4,6 +4,10 @@ Please update the changelog as part of any significant pull request.
 
 ## Unreleased
 
+- Inherit referenced attribute properties from `extend`
+  hierarchy before falling back to original attribute definition.
+  ([#204](https://github.com/open-telemetry/build-tools/pull/204))
+
 ## v0.21.0
 
 - Render template-type attributes from yaml files
@@ -27,7 +31,7 @@ Please update the changelog as part of any significant pull request.
 
 - Allow multiple semconv in --only flag
   ([#157](https://github.com/open-telemetry/build-tools/pull/157))
-  
+
 ## v0.17.0
 
 - Rename Optional attribute requirement level to Opt-In
@@ -44,7 +48,7 @@ Please update the changelog as part of any significant pull request.
 
 ## v0.15.0
 
-- Add a semantic convention type for Metrics ("metric" and "metric_group") 
+- Add a semantic convention type for Metrics ("metric" and "metric_group")
   ([#79](https://github.com/open-telemetry/build-tools/pull/79))
 - Add a semantic convention type for generic attribute group ("attribute_group")
   ([#124](https://github.com/open-telemetry/build-tools/pull/124)).
diff --git a/semantic-conventions/src/tests/data/markdown/ref_extends/expected.md b/semantic-conventions/src/tests/data/markdown/ref_extends/expected.md
index 5d9cf891..ebb17dd4 100644
--- a/semantic-conventions/src/tests/data/markdown/ref_extends/expected.md
+++ b/semantic-conventions/src/tests/data/markdown/ref_extends/expected.md
@@ -3,7 +3,9 @@
 <!-- semconv http.client.spans(full) -->
 | Attribute  | Type | Description  | Examples  | Requirement Level |
 |---|---|---|---|---|
-| [`server.address`](input_server.md) | string | Server component of Host header. | `foo` | Required |
+| [`server.address`](input_server.md) | string | Server component of Host header. (overridden brief) [1] | `foo.io` | Required |
+
+**[1]:** Note on the overridden attribute definition.
 
 Following attributes MUST be provided **at span creation time** (when provided at all), so they can be considered for sampling decisions:
 
@@ -21,5 +23,7 @@ Following attributes MUST be provided **at span creation time** (when provided a
 <!-- semconv http.client.request.duration.metric(full) -->
 | Attribute  | Type | Description  | Examples  | Requirement Level |
 |---|---|---|---|---|
-| [`server.address`](input_server.md) | string | Server component of Host header. | `foo` | Required |
+| [`server.address`](input_server.md) | string | Server component of Host header. (overridden brief) [1] | `foo.io` | Required |
+
+**[1]:** Note on the overridden attribute definition.
 <!-- endsemconv -->
diff --git a/semantic-conventions/src/tests/data/markdown/ref_extends/http.yaml b/semantic-conventions/src/tests/data/markdown/ref_extends/http.yaml
index 438e2b72..89cd5a5e 100644
--- a/semantic-conventions/src/tests/data/markdown/ref_extends/http.yaml
+++ b/semantic-conventions/src/tests/data/markdown/ref_extends/http.yaml
@@ -5,7 +5,9 @@ groups:
     attributes:
       - ref: server.address
         requirement_level: required
-        brief: Server component of Host header.
+        brief: 'Server component of Host header. (overridden brief)'
+        note: 'Note on the overridden attribute definition.'
+        examples: ['foo.io']
 
   - id: http.client.spans
     type: span
diff --git a/semantic-conventions/src/tests/data/markdown/ref_extends/server.yaml b/semantic-conventions/src/tests/data/markdown/ref_extends/server.yaml
index 757e6ae1..0b25c86f 100644
--- a/semantic-conventions/src/tests/data/markdown/ref_extends/server.yaml
+++ b/semantic-conventions/src/tests/data/markdown/ref_extends/server.yaml
@@ -6,5 +6,6 @@ groups:
     attributes:
       - id: address
         type: string
-        brief: 'Domain name.'
+        brief: 'Domain name. (original brief)'
         examples: 'foo'
+        note: 'Note on the original attribute definition.'