1 files changed, 2 insertions, 2 deletions
diff --git a/src/libsyntax/attr.rs b/src/libsyntax/attr.rs
index 6f57c06d33e..856237f2155 100644
--- a/src/libsyntax/attr.rs
+++ b/src/libsyntax/attr.rs
@@ -358,9 +358,9 @@ pub enum StabilityLevel {
     Locked
 }
 
-impl fmt::String for StabilityLevel {
+impl fmt::Display for StabilityLevel {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        fmt::Show::fmt(self, f)
+        fmt::Debug::fmt(self, f)
     }
 }