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-rw-r--r--src/doc/rustc/src/platform-support.md2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/doc/rustc/src/platform-support.md b/src/doc/rustc/src/platform-support.md
index b2ce2bd529b..9eafa27e2b7 100644
--- a/src/doc/rustc/src/platform-support.md
+++ b/src/doc/rustc/src/platform-support.md
@@ -13,6 +13,8 @@ for targets at each tier, see the [Target Tier Policy](target-tier-policy.md).
 Targets are identified by their "target triple" which is the string to inform
 the compiler what kind of output should be produced.
 
+Component availability is tracked [here](https://rust-lang.github.io/rustup-components-history/).
+
 ## Tier 1 with Host Tools
 
 Tier 1 targets can be thought of as "guaranteed to work". The Rust project