Cleanup

src/libraries/System.ComponentModel.TypeConverter/ref/System.ComponentModel.TypeConverter.cs

@@ -2195,7 +2195,7 @@ public ResolveNameEventArgs(string? name) { }
     }
     public delegate void ResolveNameEventHandler(object? sender, System.ComponentModel.Design.Serialization.ResolveNameEventArgs e);
     [System.AttributeUsageAttribute(System.AttributeTargets.Class | System.AttributeTargets.Interface, AllowMultiple=true, Inherited=true)]
-    [System.ObsoleteAttribute("RootDesignerSerializerAttribute has been deprecated. Use DesignerSerializerAttribute. For example, to specify a root designer for CodeDom, use DesignerSerializerAttribute(...,typeof(TypeCodeDomSerializer)) instead.")]
+    [System.ObsoleteAttribute("RootDesignerSerializerAttribute has been deprecated. Use DesignerSerializerAttribute instead. For example, to specify a root designer for CodeDom, use DesignerSerializerAttribute(...,typeof(TypeCodeDomSerializer)) instead.")]
     public sealed partial class RootDesignerSerializerAttribute : System.Attribute
     {
         public RootDesignerSerializerAttribute(string? serializerTypeName, string? baseSerializerTypeName, bool reloadable) { }

src/libraries/System.Private.CoreLib/src/System/IO/Stream.cs

@@ -195,7 +195,7 @@ public virtual Task FlushAsync(CancellationToken cancellationToken) =>
                 static state => ((Stream)state!).Flush(), this,
                 cancellationToken, TaskCreationOptions.DenyChildAttach, TaskScheduler.Default);
 
-        [Obsolete("CreateWaitHandle has been deprecated. Use new ManualResetEvent(false) instead.")]
+        [Obsolete("CreateWaitHandle has been deprecated. Use the ManualResetEvent(false) constructor instead.")]
         protected virtual WaitHandle CreateWaitHandle() => new ManualResetEvent(false);
 
         public virtual IAsyncResult BeginRead(byte[] buffer, int offset, int count, AsyncCallback? callback, object? state) =>

src/libraries/System.Runtime/ref/System.Runtime.cs

@@ -10625,7 +10625,7 @@ public virtual void CopyTo(System.IO.Stream destination, int bufferSize) { }
         public System.Threading.Tasks.Task CopyToAsync(System.IO.Stream destination, int bufferSize) { throw null; }
         public virtual System.Threading.Tasks.Task CopyToAsync(System.IO.Stream destination, int bufferSize, System.Threading.CancellationToken cancellationToken) { throw null; }
         public System.Threading.Tasks.Task CopyToAsync(System.IO.Stream destination, System.Threading.CancellationToken cancellationToken) { throw null; }
-        [System.ObsoleteAttribute("Stream.CreateWaitHandle has been deprecated. Use new ManualResetEvent(false) instead.")]
+        [System.ObsoleteAttribute("Stream.CreateWaitHandle has been deprecated. Use the ManualResetEvent(false) constructor instead.")]
         protected virtual System.Threading.WaitHandle CreateWaitHandle() { throw null; }
         public void Dispose() { }
         protected virtual void Dispose(bool disposing) { }