diff --git a/config.toml.example b/config.toml.example
index 0956dd82ad9..be23efae529 100644
--- a/config.toml.example
+++ b/config.toml.example
@@ -310,7 +310,7 @@
 # means "the number of cores on this machine", and 1+ is passed through to the
 # compiler.
 #
-# Uses the Cargo defaults: https://doc.rust-lang.org/cargo/reference/profiles.html#codegen-units
+# Uses the rustc defaults: https://doc.rust-lang.org/rustc/codegen-options/index.html#codegen-units
 #codegen-units = if incremental { 256 } else { 16 }
 
 # Sets the number of codegen units to build the standard library with,