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-rw-r--r--src/libstd/fs.rs3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/libstd/fs.rs b/src/libstd/fs.rs
index b14e02a2cb4..b5265fe369e 100644
--- a/src/libstd/fs.rs
+++ b/src/libstd/fs.rs
@@ -1956,7 +1956,8 @@ pub fn remove_dir_all<P: AsRef<Path>>(path: P) -> io::Result<()> {
 /// # Platform-specific behavior
 ///
 /// This function currently corresponds to the `opendir` function on Unix
-/// and the `FindFirstFile` function on Windows.
+/// and the `FindFirstFile` function on Windows. Advancing the iterator
+/// currently corresponds to `readdir` on Unix and `FindNextFile` on Windows.
 /// Note that, this [may change in the future][changes].
 ///
 /// [changes]: ../io/index.html#platform-specific-behavior