Fix build

Author: x17jiri

library/core/src/hint.rs

@@ -523,7 +523,7 @@ pub const fn must_use<T>(value: T) -> T {
 /// It can also be applied to parts of expressions, such as `likely(a) && unlikely(b)`, or to
 /// compound expressions, such as `likely(a && b)`. When applied to compound expressions, it has
 /// the following effect:
-/// ```
+/// ```text
 ///     likely(!a) => !unlikely(a)
 ///     likely(a && b) => likely(a) && likely(b)
 ///     likely(a || b) => a || likely(b)
@@ -576,7 +576,7 @@ pub const fn likely(b: bool) -> bool {
 /// It can also be applied to parts of expressions, such as `likely(a) && unlikely(b)`, or to
 /// compound expressions, such as `unlikely(a && b)`. When applied to compound expressions, it has
 /// the following effect:
-/// ```
+/// ```text
 ///     unlikely(!a) => !likely(a)
 ///     unlikely(a && b) => a && unlikely(b)
 ///     unlikely(a || b) => unlikely(a) || unlikely(b)