Rollup merge of rust-lang#52582 - felixrabe:patch-2, r=pietroalbini

Typo

Author: kennytm

src/libstd/path.rs

@@ -1836,7 +1836,7 @@ impl Path {
     /// * On Unix, a path has a root if it begins with `/`.
     ///
     /// * On Windows, a path has a root if it:
-    ///     * has no prefix and begins with a separator, e.g. `\\windows`
+    ///     * has no prefix and begins with a separator, e.g. `\windows`
     ///     * has a prefix followed by a separator, e.g. `c:\windows` but not `c:windows`
     ///     * has any non-disk prefix, e.g. `\\server\share`
     ///