diff --git a/src/doc/rustc-dev-guide/src/rustdoc-internals.md b/src/doc/rustc-dev-guide/src/rustdoc-internals.md
index 7ae68cc21c8f..2e06d5b1fba9 100644
--- a/src/doc/rustc-dev-guide/src/rustdoc-internals.md
+++ b/src/doc/rustc-dev-guide/src/rustdoc-internals.md
@@ -72,7 +72,7 @@ Here is the list of passes as of <!-- date: 2021-02 --> February 2021:
   flag.
 
 - `check-code-block-syntax` validates syntax inside Rust code blocks
-  (`` ```rust ``)
+  (<code>```rust</code>)
 
 - `check-invalid-html-tags` detects invalid HTML (like an unclosed `<span>`)
   in doc comments.