diff --git a/src/UnitTests/SpecialFunctionsTests/ExponentialIntegralTests.cs b/src/UnitTests/SpecialFunctionsTests/ExponentialIntegralTests.cs
index 82097ff0..6c37940b 100644
--- a/src/UnitTests/SpecialFunctionsTests/ExponentialIntegralTests.cs
+++ b/src/UnitTests/SpecialFunctionsTests/ExponentialIntegralTests.cs
@@ -5,7 +5,7 @@ namespace MathNet.Numerics.UnitTests.SpecialFunctionsTests
     using NUnit.Framework;
 
     /// <summary>
-    /// Factorial tests.
+    /// Exponential Integral tests.
     /// </summary>
     [TestFixture, Category("Distributions")]
     public class ExponentialIntegralTests