Apply suggestions from code review

Author: gewarren

xml/System.Formats.Tar/TarReader.xml

@@ -72,7 +72,7 @@
       </ReturnValue>
       <Parameters />
       <Docs>
-        <summary>&gt;Disposes the current <see cref="T:System.Formats.Tar.TarReader" /> instance, and disposes the streams of all the entries that were read from the archive if the <c>leaveOpen</c> argument was set to <see langword="false" /> in the constructor.</summary>
+        <summary>Disposes the current <see cref="T:System.Formats.Tar.TarReader" /> instance, and disposes the streams of all the entries that were read from the archive if the <c>leaveOpen</c> argument was set to <see langword="false" /> in the constructor.</summary>
         <remarks>The <see cref="P:System.Formats.Tar.TarEntry.DataStream" /> property of any entry can be replaced with a new stream. If the user decides to replace it on a <see cref="T:System.Formats.Tar.TarEntry" /> instance that was obtained using a <see cref="T:System.Formats.Tar.TarReader" />, the underlying stream gets disposed immediately, freeing the <see cref="T:System.Formats.Tar.TarReader" /> of origin from the responsibility of having to dispose it.</remarks>
       </Docs>
     </Member>

xml/System/Decimal.xml

@@ -6600,7 +6600,7 @@ If you specify <xref:System.MidpointRounding.ToEven> or <xref:System.MidpointRou
       </Parameters>
       <Docs>
         <param name="value">The value whose sign is to be computed.</param>
-        <param name="d">To be added.</param>
+        <param name="d">The value whose sign is to be computed.</param>
         <summary>Computes the sign of a value.</summary>
         <returns>A positive value if <paramref name="value" /> is positive, <see cref="P:System.Numerics.INumberBase`1.Zero" /> if <paramref name="value" /> is zero, and a negative value if <paramref name="value" /> is negative.</returns>
         <remarks>