diff --git a/src/libcore/marker.rs b/src/libcore/marker.rs
index 04839b12ac895..1bd0b3638c683 100644
--- a/src/libcore/marker.rs
+++ b/src/libcore/marker.rs
@@ -313,7 +313,7 @@ macro_rules! impls{
 /// mismatches by enforcing types in the method implementations:
 ///
 /// ```
-/// # trait ResType { fn foo(&self); };
+/// # trait ResType { fn foo(&self); }
 /// # struct ParamType;
 /// # mod foreign_lib {
 /// # pub fn new(_: usize) -> *mut () { 42 as *mut () }