diff --git a/src/header/stdlib/lcg48.rs b/src/header/stdlib/lcg48.rs
index 8763b72c28..4963d4fddb 100644
--- a/src/header/stdlib/lcg48.rs
+++ b/src/header/stdlib/lcg48.rs
@@ -1,4 +1,4 @@
-//! Helper functions for pseudorandom number generation using LCG, see http://pubs.opengroup.org/onlinepubs/7908799/xsh/drand48.html
+//! Helper functions for pseudorandom number generation using LCG, see https://pubs.opengroup.org/onlinepubs/9699919799.2018edition/functions/drand48.html
 
 use platform::types::*;