diff --git a/types/ecma-proposal-math-extensions/index.d.ts b/types/ecma-proposal-math-extensions/index.d.ts
index 70f98e3388..6412e63dd6 100644
--- a/types/ecma-proposal-math-extensions/index.d.ts
+++ b/types/ecma-proposal-math-extensions/index.d.ts
@@ -1,5 +1,5 @@
 // Type definitions for ecma-proposal-math-extensions 0.0
-// Project: https://github.com/rwaldron/proposal-math-extensions#readme, https://github.com/tc39/proposal-math-extensions
+// Project: https://github.com/rwaldron/proposal-math-extensions#readme
 // Definitions by: Konstantin Simon Maria Möllers <https://github.com/ksm2>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.0