diff --git a/src/OpenTelemetry.Exporter.Prometheus.AspNetCore/README.md b/src/OpenTelemetry.Exporter.Prometheus.AspNetCore/README.md
index d9cb8bfdc1a..f838f296ae8 100644
--- a/src/OpenTelemetry.Exporter.Prometheus.AspNetCore/README.md
+++ b/src/OpenTelemetry.Exporter.Prometheus.AspNetCore/README.md
@@ -16,14 +16,14 @@ to scrape.
 ### Step 1: Install Package
 
 ```shell
-dotnet add package OpenTelemetry.Exporter.Prometheus.AspNetCore
+dotnet add package --prerelease OpenTelemetry.Exporter.Prometheus.AspNetCore
 ```
 
 ### Step 2: Configure OpenTelemetry MeterProvider
 
 * When using
   [OpenTelemetry.Extensions.Hosting](../OpenTelemetry.Extensions.Hosting/README.md)
-  package on .NET Core 3.1+:
+  package on .NET 6.0+:
 
     ```csharp
     services.AddOpenTelemetryMetrics(builder =>
diff --git a/src/OpenTelemetry.Exporter.Prometheus.HttpListener/README.md b/src/OpenTelemetry.Exporter.Prometheus.HttpListener/README.md
index b97cb0bd258..882203b2d77 100644
--- a/src/OpenTelemetry.Exporter.Prometheus.HttpListener/README.md
+++ b/src/OpenTelemetry.Exporter.Prometheus.HttpListener/README.md
@@ -16,7 +16,7 @@ instance for Prometheus to scrape.
 ### Step 1: Install Package
 
 ```shell
-dotnet add package OpenTelemetry.Exporter.Prometheus.HttpListener
+dotnet add package --prerelease OpenTelemetry.Exporter.Prometheus.HttpListener
 ```
 
 ### Step 2: Add PrometheusHttpListener