diff --git a/library/core/src/lib.rs b/library/core/src/lib.rs
index d44cf299c27..8847b516e5b 100644
--- a/library/core/src/lib.rs
+++ b/library/core/src/lib.rs
@@ -446,9 +446,10 @@ pub mod arch;
 #[unstable(feature = "portable_simd", issue = "86656")]
 mod core_simd;
 
-#[doc = include_str!("../../portable-simd/crates/core_simd/src/core_simd_docs.md")]
 #[unstable(feature = "portable_simd", issue = "86656")]
 pub mod simd {
+    #![doc = include_str!("../../portable-simd/crates/core_simd/src/core_simd_docs.md")]
+
     #[unstable(feature = "portable_simd", issue = "86656")]
     pub use crate::core_simd::simd::*;
 }
diff --git a/library/std/src/lib.rs b/library/std/src/lib.rs
index d06012c14dc..7c0fd42c18d 100644
--- a/library/std/src/lib.rs
+++ b/library/std/src/lib.rs
@@ -582,9 +582,10 @@ pub mod time;
 #[unstable(feature = "portable_simd", issue = "86656")]
 mod std_float;
 
-#[doc = include_str!("../../portable-simd/crates/core_simd/src/core_simd_docs.md")]
 #[unstable(feature = "portable_simd", issue = "86656")]
 pub mod simd {
+    #![doc = include_str!("../../portable-simd/crates/core_simd/src/core_simd_docs.md")]
+
     #[doc(inline)]
     pub use crate::std_float::StdFloat;
     #[doc(inline)]