Apply suggestions from code review

Co-authored-by: Genevieve Warren <[email protected]>

Author: ericstj

xml/System.Numerics/Matrix4x4.xml

@@ -301,9 +301,9 @@
         <Parameter Name="value" Type="System.Numerics.Vector4" Index="0" FrameworkAlternate="net-10.0" />
       </Parameters>
       <Docs>
-        <param name="value">The value to assign to all 4 rows.</param>
-        <summary>Creates a <see cref="T:System.Numerics.Matrix4x4" /> whose 4 rows are set to the specified value.</summary>
-        <returns>A <see cref="T:System.Numerics.Matrix4x4" /> whose 4 rows are set to <paramref name="value" />.</returns>
+        <param name="value">The value to assign to all four rows.</param>
+        <summary>Creates a <see cref="T:System.Numerics.Matrix4x4" /> whose four rows are set to the specified value.</summary>
+        <returns>A <see cref="T:System.Numerics.Matrix4x4" /> whose four rows are set to <paramref name="value" />.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -4563,7 +4563,7 @@
       <Docs>
         <summary>Gets or sets the translation component of this matrix.</summary>
         <value>The translation component of the current instance.</value>
-        <remarks>The translation component is stored as first 3 columns of <see cref="P:System.Numerics.Matrix4x4.W" />.</remarks>
+        <remarks>The translation component is stored as the first three columns of <see cref="P:System.Numerics.Matrix4x4.W" />.</remarks>
       </Docs>
     </Member>
     <Member MemberName="Transpose">