diff --git a/csharp/src/Apache.Arrow/Arrays/BinaryArray.cs b/csharp/src/Apache.Arrow/Arrays/BinaryArray.cs
index 3f01b9374f553..e2cf0bc772a9c 100644
--- a/csharp/src/Apache.Arrow/Arrays/BinaryArray.cs
+++ b/csharp/src/Apache.Arrow/Arrays/BinaryArray.cs
@@ -171,7 +171,7 @@ public BinaryArray(IArrowType dataType, int length,
         public ReadOnlySpan<byte> Values => ValueBuffer.Span.CastTo<byte>();
 
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        [Obsolete("This method has been deprecated. Please use ValueOffsets instead.")]
+        [Obsolete("This method has been deprecated. Please use ValueOffsets[index] instead.")]
         public int GetValueOffset(int index)
         {
             if (index < 0 || index > Length)
diff --git a/csharp/src/Apache.Arrow/Arrays/ListArray.cs b/csharp/src/Apache.Arrow/Arrays/ListArray.cs
index 0c7c1a4d13a8f..bc171e6ffbd24 100644
--- a/csharp/src/Apache.Arrow/Arrays/ListArray.cs
+++ b/csharp/src/Apache.Arrow/Arrays/ListArray.cs
@@ -123,7 +123,7 @@ private ListArray(ArrayData data, IArrowArray values) : base(data)
         public override void Accept(IArrowArrayVisitor visitor) => Accept(this, visitor);
 
 
-        [Obsolete("This method has been deprecated. Please use ValueOffsets instead.")]
+        [Obsolete("This method has been deprecated. Please use ValueOffsets[index] instead.")]
         public int GetValueOffset(int index)
         {
             if (index < 0 || index > Length)