diff --git a/library/std/src/fs.rs b/library/std/src/fs.rs
index a5b0111adfb4a..2aa00c0c29483 100644
--- a/library/std/src/fs.rs
+++ b/library/std/src/fs.rs
@@ -2505,6 +2505,7 @@ pub fn rename<P: AsRef<Path>, Q: AsRef<Path>>(from: P, to: Q) -> io::Result<()>
 /// * `from` does not exist.
 /// * The current process does not have the permission rights to read
 ///   `from` or write `to`.
+/// * The parent directory of `to` doesn't exist.
 ///
 /// # Examples
 ///