1 files changed, 3 insertions, 3 deletions
diff --git a/src/System.Private.CoreLib/shared/System/ArgumentNullException.cs b/src/System.Private.CoreLib/shared/System/ArgumentNullException.cs
index 80e43cc26..edc38f2a4 100644
--- a/src/System.Private.CoreLib/shared/System/ArgumentNullException.cs
+++ b/src/System.Private.CoreLib/shared/System/ArgumentNullException.cs
@@ -30,19 +30,19 @@ namespace System
             HResult = HResults.E_POINTER;
         }
 
-        public ArgumentNullException(String paramName)
+        public ArgumentNullException(string paramName)
             : base(SR.ArgumentNull_Generic, paramName)
         {
             HResult = HResults.E_POINTER;
         }
 
-        public ArgumentNullException(String message, Exception innerException)
+        public ArgumentNullException(string message, Exception innerException)
             : base(message, innerException)
         {
             HResult = HResults.E_POINTER;
         }
 
-        public ArgumentNullException(String paramName, String message)
+        public ArgumentNullException(string paramName, string message)
             : base(message, paramName)
         {
             HResult = HResults.E_POINTER;