diff --git a/book/src/04_traits/11_clone.md b/book/src/04_traits/11_clone.md
index b646bf6..dc37e08 100644
--- a/book/src/04_traits/11_clone.md
+++ b/book/src/04_traits/11_clone.md
@@ -56,7 +56,7 @@ that to `consumer` instead.\
 ## In memory
 
 Let's look at what happened in memory in the example above.
-When `let mut s: String::from("hello");` is executed, the memory looks like this:
+When `let mut s = String::from("hello");` is executed, the memory looks like this:
 
 ```text
                     s