diff --git a/src/doc/reference.md b/src/doc/reference.md
index 1b8525dde8c..af6db58c7e0 100644
--- a/src/doc/reference.md
+++ b/src/doc/reference.md
@@ -3685,7 +3685,7 @@ fn main() {
 }
 ```
 
-In this example, the trait `Printable` occurs as an trait object in both the
+In this example, the trait `Printable` occurs as a trait object in both the
 type signature of `print`, and the cast expression in `main`.
 
 ### Type parameters