Fix wording around BitIncrement and BitDecrement (#11315)

Author: rzikm

xml/System/Double.xml

@@ -872,8 +872,8 @@ This computes `arctan(x) / π` in the interval `[-0.5, +0.5]`.
       </Parameters>
       <Docs>
         <param name="x">The value to be bitwise decremented.</param>
-        <summary>Decrements a value to the smallest value that compares less than a given value.</summary>
-        <returns>The smallest value that compares less than <paramref name="x" />.</returns>
+        <summary>Returns the largest value that compares less than a specified value.</summary>
+        <returns>The largest value that compares less than <paramref name="x" />.</returns>
         <remarks>To be added.</remarks>
         <inheritdoc cref="M:System.Numerics.IFloatingPointIeee754`1.BitDecrement(`0)" />
       </Docs>
@@ -910,7 +910,7 @@ This computes `arctan(x) / π` in the interval `[-0.5, +0.5]`.
       </Parameters>
       <Docs>
         <param name="x">The value to be bitwise incremented.</param>
-        <summary>Increments a value to the smallest value that compares greater than a given value.</summary>
+        <summary>Returns the smallest value that compares greater than a specified value.</summary>
         <returns>The smallest value that compares greater than <paramref name="x" />.</returns>
         <remarks>To be added.</remarks>
         <inheritdoc cref="M:System.Numerics.IFloatingPointIeee754`1.BitIncrement(`0)" />

xml/System/Single.xml

@@ -870,8 +870,8 @@ This computes `arctan(x) / π` in the interval `[-0.5, +0.5]`.
       </Parameters>
       <Docs>
         <param name="x">The value to be bitwise decremented.</param>
-        <summary>Decrements a value to the smallest value that compares less than a given value.</summary>
-        <returns>The smallest value that compares less than <paramref name="x" />.</returns>
+        <summary>Returns the largest value that compares less than a specified value.</summary>
+        <returns>The largest value that compares less than <paramref name="x" />.</returns>
         <remarks>To be added.</remarks>
         <inheritdoc cref="M:System.Numerics.IFloatingPointIeee754`1.BitDecrement(`0)" />
       </Docs>
@@ -908,7 +908,7 @@ This computes `arctan(x) / π` in the interval `[-0.5, +0.5]`.
       </Parameters>
       <Docs>
         <param name="x">The value to be bitwise incremented.</param>
-        <summary>Increments a value to the smallest value that compares greater than a given value.</summary>
+        <summary>Returns the smallest value that compares greater than a specified value.</summary>
         <returns>The smallest value that compares greater than <paramref name="x" />.</returns>
         <remarks>To be added.</remarks>
         <inheritdoc cref="M:System.Numerics.IFloatingPointIeee754`1.BitIncrement(`0)" />