diff --git a/src/libpanic_unwind/gcc.rs b/src/libpanic_unwind/gcc.rs
index 6e04317d491fc..591ff9d7fdcaa 100644
--- a/src/libpanic_unwind/gcc.rs
+++ b/src/libpanic_unwind/gcc.rs
@@ -4,7 +4,7 @@
 //! "Exception Handling in LLVM" (llvm.org/docs/ExceptionHandling.html) and
 //! documents linked from it.
 //! These are also good reads:
-//!     http://mentorembedded.github.io/cxx-abi/abi-eh.html
+//!     https://itanium-cxx-abi.github.io/cxx-abi/abi-eh.html
 //!     http://monoinfinito.wordpress.com/series/exception-handling-in-c/
 //!     http://www.airs.com/blog/index.php?s=exception+frames
 //!