Rename doctest attribute `standalone-crate` into `standalone_crate` for coherency

1 files changed, 2 insertions, 2 deletions

diff --git a/src/doc/rustdoc/src/write-documentation/documentation-tests.md b/src/doc/rustdoc/src/write-documentation/documentation-tests.md
index 94ef34ea5a5..c93893b5ada 100644
--- a/src/doc/rustdoc/src/write-documentation/documentation-tests.md
+++ b/src/doc/rustdoc/src/write-documentation/documentation-tests.md
@@ -414,11 +414,11 @@ In some cases, doctests cannot be merged. For example, if you have:
 The problem with this code is that, if you change any other doctests, it'll likely break when
 runing `rustdoc --test`, making it tricky to maintain.
 
-This is where the `standalone-crate` attribute comes in: it tells `rustdoc` that a doctest
+This is where the `standalone_crate` attribute comes in: it tells `rustdoc` that a doctest
 should not be merged with the others. So the previous code should use it:
 
 ```rust
-//! ```standalone-crate
+//! ```standalone_crate
 //! let location = std::panic::Location::caller();
 //! assert_eq!(location.line(), 4);
 //! ```