improve docs slightly

Author: merelymyself

clippy_lints/src/paths_from_format.rs

@@ -18,7 +18,7 @@ declare_clippy_lint! {
     /// It is not OS-agnostic, and can be harder to read.
     ///
     /// ### Known Problems
-    /// `.join()` introduces additional allocations that are not present when `Pathbuf::push` is
+    /// `.join()` introduces additional allocations that are not present when `PathBuf::push` is
     /// used instead.
     ///
     /// ### Example
@@ -31,7 +31,7 @@ declare_clippy_lint! {
     /// ```rust
     /// use std::path::Path;
     /// let base_path = "/base";
-    /// Path::new(base_path).join("foo").join("bar");
+    /// Path::new(&base_path).join("foo").join("bar");
     /// ```
     #[clippy::version = "1.62.0"]
     pub PATHS_FROM_FORMAT,