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-rw-r--r--src/doc/reference.md2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/doc/reference.md b/src/doc/reference.md
index a43fca7c19d..1b8525dde8c 100644
--- a/src/doc/reference.md
+++ b/src/doc/reference.md
@@ -3665,7 +3665,7 @@ implements trait `R`, casting `E` to the corresponding pointer type `&R` or
 represented as a pair of pointers: the vtable pointer for the `T`
 implementation of `R`, and the pointer value of `E`.
 
-An example of an trait object:
+An example of a trait object:
 
 ```
 trait Printable {