fix build error 3

Author: merelymyself

src/docs/paths_from_format.txt

@@ -5,7 +5,7 @@ Checks for `PathBuf::from(format!(..))` calls.
 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
@@ -18,5 +18,5 @@ Use instead:
 ```
 use std::path::Path;
 let base_path = "/base";
-Path::new(base_path).join("foo").join("bar");
+Path::new(&base_path).join("foo").join("bar");
 ```