[HttpClient & ASP.NET Core] Change metric descriptions as per spec (#4990)

src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md

@@ -109,6 +109,10 @@ to `http` or `http/dup`.
     > The [View API](https://github.com/open-telemetry/opentelemetry-dotnet/tree/main/docs/metrics/customizing-the-sdk#select-specific-tags)
     may be used to drop dimensions.
 
+* Updated description for `http.server.request.duration` metrics to match spec
+  definition.
+  ([#4990](https://github.com/open-telemetry/opentelemetry-dotnet/pull/4990))
+
 ## 1.5.1-beta.1
 
 Released 2023-Jul-20

src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/HttpInMetricsListener.cs

@@ -59,7 +59,7 @@ internal sealed class HttpInMetricsListener : ListenerHandler
 
         if (this.emitNewAttributes)
         {
-            this.httpServerRequestDuration = meter.CreateHistogram<double>(HttpServerRequestDurationMetricName, "s", "Measures the duration of inbound HTTP requests.");
+            this.httpServerRequestDuration = meter.CreateHistogram<double>(HttpServerRequestDurationMetricName, "s", "Duration of HTTP server requests.");
         }
     }
 

src/OpenTelemetry.Instrumentation.Http/CHANGELOG.md

@@ -63,11 +63,15 @@
 
   ([#4931](https://github.com/open-telemetry/opentelemetry-dotnet/pull/4931))
 
-  * Added `url.scheme` attribute to `http.client.request.duration` metric. The
+* Added `url.scheme` attribute to `http.client.request.duration` metric. The
   metric will be emitted when `OTEL_SEMCONV_STABILITY_OPT_IN` environment
   variable is set to `http` or `http/dup`.
   ([#4989](https://github.com/open-telemetry/opentelemetry-dotnet/pull/4989))
 
+* Updated description for `http.client.request.duration` metrics to match spec
+  definition.
+  ([#4990](https://github.com/open-telemetry/opentelemetry-dotnet/pull/4990))
+
 ## 1.5.1-beta.1
 
 Released 2023-Jul-20

src/OpenTelemetry.Instrumentation.Http/Implementation/HttpHandlerMetricsDiagnosticListener.cs

@@ -37,7 +37,7 @@ internal sealed class HttpHandlerMetricsDiagnosticListener : ListenerHandler
     internal static readonly string MeterVersion = AssemblyName.Version.ToString();
     internal static readonly Meter Meter = new(MeterName, MeterVersion);
     private static readonly Histogram<double> HttpClientDuration = Meter.CreateHistogram<double>("http.client.duration", "ms", "Measures the duration of outbound HTTP requests.");
-    private static readonly Histogram<double> HttpClientRequestDuration = Meter.CreateHistogram<double>("http.client.request.duration", "s", "Measures the duration of outbound HTTP requests.");
+    private static readonly Histogram<double> HttpClientRequestDuration = Meter.CreateHistogram<double>("http.client.request.duration", "s", "Duration of HTTP client requests.");
 
     private static readonly PropertyFetcher<HttpRequestMessage> StopRequestFetcher = new("Request");
     private static readonly PropertyFetcher<HttpResponseMessage> StopResponseFetcher = new("Response");