diff --git a/library/std/src/path.rs b/library/std/src/path.rs
index 56ea51226f9d5..5f43d63bf8484 100644
--- a/library/std/src/path.rs
+++ b/library/std/src/path.rs
@@ -2143,10 +2143,10 @@ impl Path {
     /// # Examples
     ///
     /// ```
-    /// use std::path::Path;
+    /// use std::path::{Path, PathBuf};
     ///
     /// let path_buf = Path::new("foo.txt").to_path_buf();
-    /// assert_eq!(path_buf, std::path::PathBuf::from("foo.txt"));
+    /// assert_eq!(path_buf, PathBuf::from("foo.txt"));
     /// ```
     #[rustc_conversion_suggestion]
     #[must_use = "this returns the result of the operation, \
@@ -2278,10 +2278,9 @@ impl Path {
     /// Produces an iterator over `Path` and its ancestors.
     ///
     /// The iterator will yield the `Path` that is returned if the [`parent`] method is used zero
-    /// or more times. That means, the iterator will yield `&self`, `&self.parent().unwrap()`,
-    /// `&self.parent().unwrap().parent().unwrap()` and so on. If the [`parent`] method returns
-    /// [`None`], the iterator will do likewise. The iterator will always yield at least one value,
-    /// namely `&self`.
+    /// or more times. If the [`parent`] method returns [`None`], the iterator will do likewise.
+    /// The iterator will always yield at least one value, namely `Some(&self)`. Next it will yield
+    /// `&self.parent()`, `&self.parent().and_then(Path::parent)` and so on.
     ///
     /// # Examples
     ///