fix another typo

diff --git a/src/doc/trpl/error-handling.md b/src/doc/trpl/error-handling.md
index eed430aa4352a770fafcfa4766911acdf48b67c4..c1fb112206eb83ff2144854016d4bd4ce59ed416 100644 (file)
--- a/src/doc/trpl/error-handling.md
+++ b/src/doc/trpl/error-handling.md
@@ -1284,7 +1284,7 @@ fn file_double<P: AsRef<Path>>(file_path: P) -> Result<i32, String> {
 
 Earlier, we promised that we could get rid of the `map_err` calls. Indeed, all
 we have to do is pick a type that `From` works with. As we saw in the previous
-section, `From` has an impl that let's it convert any error type into a
+section, `From` has an impl that lets it convert any error type into a
 `Box<Error>`:
 
 ```rust