diff --git a/DotNetPerfAnalysisIntro/README.md b/DotNetPerfAnalysisIntro/README.md
index a008c2a..b529546 100644
--- a/DotNetPerfAnalysisIntro/README.md
+++ b/DotNetPerfAnalysisIntro/README.md
@@ -4,3 +4,16 @@ This sample project aims to demonstrate how to analyze and improve the performan
 service using Visual Studio profilers.
 
 In this exercise we attempt to improve the latency and throughput of a simple API.
+
+To run the load test:
+
+```sh
+cd load-tests
+k6 run --vus <num_virtual_users> --duration <duration> ./basic.js
+```
+
+e.g.
+
+```sh
+k6 run --vus 200 --duration 30s ./basic.js
+```
diff --git a/DotNetPerfAnalysisIntro/SampleApi/DataReader.cs b/DotNetPerfAnalysisIntro/SampleApi/DataReader.cs
index 6c12e49..4d9d028 100644
--- a/DotNetPerfAnalysisIntro/SampleApi/DataReader.cs
+++ b/DotNetPerfAnalysisIntro/SampleApi/DataReader.cs
@@ -24,7 +24,7 @@ public static async Task<List<LocationData>> ReadDataAsync(Stream input)
                 }
                 else if (word.StartsWith("temp:"))
                 {
-                    temperature = double.Parse(word.Split(':')[1]);
+                    double.TryParse(word.Split(':')[1], out temperature);
                 }
             }