diff --git a/xml/System/Array.xml b/xml/System/Array.xml
index 66fdf518671..5d3834d4261 100644
--- a/xml/System/Array.xml
+++ b/xml/System/Array.xml
@@ -3772,7 +3772,7 @@
 
  <paramref name="match" /> is <see langword="null" />.</exception>
         <exception cref="T:System.ArgumentOutOfRangeException">
-          <paramref name="startIndex" /> is outside the range of valid indexes for <paramref name="array" />.</exception>
+          <paramref name="startIndex" /> is less than zero or greater than the length of the <paramref name="array" />.</exception>
         <altmember cref="M:System.Array.Exists``1(``0[],System.Predicate{``0})" />
         <altmember cref="M:System.Array.Find``1(``0[],System.Predicate{``0})" />
         <altmember cref="M:System.Array.FindLast``1(``0[],System.Predicate{``0})" />
@@ -3863,7 +3863,7 @@
 
  <paramref name="match" /> is <see langword="null" />.</exception>
         <exception cref="T:System.ArgumentOutOfRangeException">
-          <paramref name="startIndex" /> is outside the range of valid indexes for <paramref name="array" />.
+          <paramref name="startIndex" /> is less than zero or greater than the length of the <paramref name="array" />.
 
  -or-