[io] Fix typo in doc for `Directory.rename()`
"an FileSystemException" -> "a FileSystemException"
Change-Id: Ic184ec0a2b7788c3ff04ff3d3db0b57a7316fa36
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/226740
Reviewed-by: Kevin Moore <kevmoo@google.com>
Commit-Queue: Nicholas Shahan <nshahan@google.com>
diff --git a/sdk/lib/io/directory.dart b/sdk/lib/io/directory.dart
index cbda1c3..dabd9f4 100644
--- a/sdk/lib/io/directory.dart
+++ b/sdk/lib/io/directory.dart
@@ -234,7 +234,7 @@
/// with a [Directory] for the renamed directory.
///
/// If [newPath] identifies an existing directory, then the behavior is
- /// platform-specific. On all platforms, the future completes with an
+ /// platform-specific. On all platforms, the future completes with a
/// [FileSystemException] if the existing directory is not empty. On POSIX
/// systems, if [newPath] identifies an existing empty directory then that
/// directory is deleted before this directory is renamed.
