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-rw-r--r--src/doc/book/patterns.md2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/doc/book/patterns.md b/src/doc/book/patterns.md
index 6fd7f4cd475..7325d448962 100644
--- a/src/doc/book/patterns.md
+++ b/src/doc/book/patterns.md
@@ -303,7 +303,7 @@ struct Person {
 }
 
 let name = "Steve".to_string();
-let mut x: Option<Person> = Some(Person { name: Some(name) });
+let x: Option<Person> = Some(Person { name: Some(name) });
 match x {
     Some(Person { name: ref a @ Some(_), .. }) => println!("{:?}", a),
     _ => {}