diff --git a/mls.bib b/mls.bib
index 38ad919a1..a8505be49 100644
--- a/mls.bib
+++ b/mls.bib
@@ -87,5 +87,5 @@ @Manual{GettextManual
   author = {Drepper, Ulrich and Meyering, Jim and Pinard, François and Haible, Bruno},
   title = {GNU gettext tools, version 0.21},
   year = {2020},
-  url = {https://www.gnu.org/software/gettext/manual/gettext.pdf},
+  url = {https://www.gnu.org/software/gettext/manual/},
 }