diff --git a/src/FSharp.Core/array.fsi b/src/FSharp.Core/array.fsi
index 8947a2a8d07..1e906c93e64 100644
--- a/src/FSharp.Core/array.fsi
+++ b/src/FSharp.Core/array.fsi
@@ -797,7 +797,7 @@ module Array =
///
/// (inputs1, inputs2) ||> Array.exists2 (fun a b -> a > b)
///
- /// Evaluates to false
+ /// Throws ArgumentException
///
///
///