@@ -133,7 +133,7 @@ On GNU systems, headers described in standards (such as the C
standard, or POSIX) may require the definition of certain
macros at the start of the compilation before all required
function declarations are made available.
-See <a href="https://sourceware.org/glibc/manual/html_node/Feature-Test-Macros.html">Feature Test Macros</a>
+See <a href="https://www.gnu.org/software/libc/manual/html_node/Feature-Test-Macros.html#Feature-Test-Macros">Feature Test Macros</a>
in the GNU C Library manual for details.
<p>