diff --git a/.gitignore b/.gitignore
index 48c268cd..b1556d7d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,10 +2,13 @@ output
 bin
 out
 Thumbs.db
-TestResult.xml
 TestResults
-coverage.*
+Backup
+_UpgradeReport*
 _ReSharper*
+coverage.*
+TestResult.xml
+UpgradeLog.htm
 *.ReSharper
 *.user
 *.suo
diff --git a/src/Numerics/SpecialFunctions.cs b/src/Numerics/SpecialFunctions.cs
index 7fa3239a..5eeef137 100644
--- a/src/Numerics/SpecialFunctions.cs
+++ b/src/Numerics/SpecialFunctions.cs
@@ -30,7 +30,7 @@
 
 // <contribution>
 //    Cephes Math Library, Stephen L. Moshier
-//    ALGLIB, Sergey Bochkanov
+//    ALGLIB 2.0.1, Sergey Bochkanov
 // </contribution>
 
 namespace MathNet.Numerics
diff --git a/src/Numerics/SpecialFunctions/Beta.cs b/src/Numerics/SpecialFunctions/Beta.cs
index 8b2dbe15..cf7d668c 100644
--- a/src/Numerics/SpecialFunctions/Beta.cs
+++ b/src/Numerics/SpecialFunctions/Beta.cs
@@ -30,7 +30,7 @@
 
 // <contribution>
 //    Cephes Math Library, Stephen L. Moshier
-//    ALGLIB, Sergey Bochkanov
+//    ALGLIB 2.0.1, Sergey Bochkanov
 // </contribution>
 
 namespace MathNet.Numerics
diff --git a/src/Numerics/SpecialFunctions/Gamma.cs b/src/Numerics/SpecialFunctions/Gamma.cs
index ce1c1cf5..97686982 100644
--- a/src/Numerics/SpecialFunctions/Gamma.cs
+++ b/src/Numerics/SpecialFunctions/Gamma.cs
@@ -30,7 +30,7 @@
 
 // <contribution>
 //    Cephes Math Library, Stephen L. Moshier
-//    ALGLIB, Sergey Bochkanov
+//    ALGLIB 2.0.1, Sergey Bochkanov
 // </contribution>
 
 namespace MathNet.Numerics