diff --git a/book/src/global-logger.md b/book/src/global-logger.md
index 666d5d05..7385d6e9 100644
--- a/book/src/global-logger.md
+++ b/book/src/global-logger.md
@@ -23,7 +23,7 @@ This struct must implement the `Logger` trait.
 It's recommended that this struct is kept private.
 
 ```rust
-# extern crate defmt
+# extern crate defmt;
 #
 #[defmt::global_logger]
 struct Logger;