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-rw-r--r--src/doc/rustc-dev-guide/README.md6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/doc/rustc-dev-guide/README.md b/src/doc/rustc-dev-guide/README.md
index 5932da467ab..1ad895aeda2 100644
--- a/src/doc/rustc-dev-guide/README.md
+++ b/src/doc/rustc-dev-guide/README.md
@@ -43,7 +43,7 @@ rustdocs][rustdocs].
 To build a local static HTML site, install [`mdbook`](https://github.com/rust-lang/mdBook) with:
 
 ```
-cargo install mdbook mdbook-linkcheck2 mdbook-toc mdbook-mermaid
+cargo install mdbook mdbook-linkcheck2 mdbook-mermaid
 ```
 
 and execute the following command in the root of the repository:
@@ -67,8 +67,8 @@ ENABLE_LINKCHECK=1 mdbook serve
 
 ### Table of Contents
 
-We use `mdbook-toc` to auto-generate TOCs for long sections. You can invoke the preprocessor by
-including the `<!-- toc -->` marker at the place where you want the TOC.
+Each page has a TOC that is automatically generated by `pagetoc.js`.
+There is an associated `pagetoc.css`, for styling.
 
 ## Synchronizing josh subtree with rustc