diff --git a/src/conventions.md b/src/conventions.md
index 16828c496..1dac0e0ec 100644
--- a/src/conventions.md
+++ b/src/conventions.md
@@ -101,10 +101,7 @@ if foo {
 
 # Using crates from crates.io
 
-It is allowed to use crates from crates.io, though external
-dependencies should not be added gratuitously. All such crates must
-have a suitably permissive license. There is an automatic check which
-inspects the Cargo metadata to ensure this.
+See the [crates.io dependencies][crates] section.
 
 <a name="er"></a>
 
@@ -152,3 +149,4 @@ to the compiler.
   crate-related, often the spelling is changed to `krate`.
 
 [tcx]: ./ty.md
+[crates]: ./crates-io.md
diff --git a/src/crates-io.md b/src/crates-io.md
index 896f2697c..8c8fd0c38 100644
--- a/src/crates-io.md
+++ b/src/crates-io.md
@@ -21,4 +21,4 @@ to the compiler unless there is a good reason to do so.
 The `tidy` tool has [a list of crates that are allowed]. To add a
 dependency that is not already in the compiler, you will need to add it to the list.
 
-[a list of crates that are allowed]: https://github.com/rust-lang/rust/blob/19ecce332e56941ea0dd2a805270faa102acdb14/src/tools/tidy/src/deps.rs#L59
+[a list of crates that are allowed]: https://github.com/rust-lang/rust/blob/9d1b2106e23b1abd32fce1f17267604a5102f57a/src/tools/tidy/src/deps.rs#L73