Miscellaneous improvements (#7348)

Author: gewarren

xml/Microsoft.Extensions.Primitives/StringValues.xml

@@ -711,7 +711,7 @@ In application code, this field is most commonly used to safely represent a <xre
         <param name="value">The <see cref="T:Microsoft.Extensions.Primitives.StringValues" /> to test.</param>
         <summary>Indicates whether the specified <see cref="T:Microsoft.Extensions.Primitives.StringValues" /> contains no string values.</summary>
         <returns>
-          <see langword="true" /> if <paramref name="value">value</paramref> contains a single <see langword="null" /> string or empty array; otherwise, <see langword="false" />.</returns>
+          <see langword="true" /> if <paramref name="value" /> contains a single <see langword="null" /> string or empty array; otherwise, <see langword="false" />.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>