diff --git a/internal/Calculator.UITests/Tests/AppLifecycleTests.cs b/internal/Calculator.UITests/Tests/AppLifecycleTests.cs
index 637235e9..2b346251 100644
--- a/internal/Calculator.UITests/Tests/AppLifecycleTests.cs
+++ b/internal/Calculator.UITests/Tests/AppLifecycleTests.cs
@@ -34,7 +34,7 @@ namespace Calculator.PerfTests
         /// The test launches the application, suspend and resumes it and then terminates the app.
         /// 
         /// A TAEF data source is used to specify the Windows Performance Recorder profile and
-        /// regions of interest file to use and defines threee different configurations to execute this test with.
+        /// regions of interest file to use and defines three different configurations to execute this test with.
         /// Cold: The initial run to get dlls loaded into memory and to execute any first-run app logic.
         /// Warm: The run that will produce consistent results and that would be used for measures.
         /// Memory: A run that is focused on collecting more info on allocations.