reference: remove stray comma

diff --git a/src/doc/reference.md b/src/doc/reference.md
index a3e13acccae28acf9c5cb5de71ceea4f55099528..49718ca17ea8aae9bd2546684ccb6229b0e46021 100644 (file)
--- a/src/doc/reference.md
+++ b/src/doc/reference.md
@@ -3355,7 +3355,7 @@ let s: &[i32] = &vec[..];
 As you can see, the `vec!` macro allows you to create a `Vec<T>` easily. The
 `vec!` macro is also part of the standard library, rather than the language.
 
-All in-bounds elements of arrays, and slices are always initialized, and access
+All in-bounds elements of arrays and slices are always initialized, and access
 to an array or slice is always bounds-checked.
 
 ### Structure types