diff --git a/External/INCHI-API/Wrap/pyInchi.cpp b/External/INCHI-API/Wrap/pyInchi.cpp
index 9cfb9c480..2f8c13e83 100644
--- a/External/INCHI-API/Wrap/pyInchi.cpp
+++ b/External/INCHI-API/Wrap/pyInchi.cpp
@@ -92,9 +92,9 @@ BOOST_PYTHON_MODULE(rdinchi) {
     - options: the InChI generation options.\n\
       Options should be prefixed with either a - or a /\n\
       Available options are explained in the InChI technical FAQ:\n\
-      http://www.inchi-trust.org/fileadmin/user_upload/html/inchifaq/inchi-faq.html#15.14\n\
+      https://www.inchi-trust.org/technical-faq/#15.14\n\
       and the User Guide:\n\
-      http://www.inchi-trust.org/fileadmin/user_upload/software/inchi-v1.04/InChI_UserGuide.pdf\n\
+      https://github.com/IUPAC-InChI/InChI/blob/main/INCHI-1-DOC/UserGuide/InChI_UserGuide.pdf\n\
   Returns:\n\
     a tuple with:\n\
       - the InChI\n\
@@ -114,9 +114,9 @@ BOOST_PYTHON_MODULE(rdinchi) {
     - options: the InChI generation options.\n\
       Options should be prefixed with either a - or a /\n\
       Available options are explained in the InChI technical FAQ:\n\
-      http://www.inchi-trust.org/fileadmin/user_upload/html/inchifaq/inchi-faq.html#15.14\n\
+      https://www.inchi-trust.org/technical-faq/#15.14\n\
       and the User Guide:\n\
-      http://www.inchi-trust.org/fileadmin/user_upload/software/inchi-v1.04/InChI_UserGuide.pdf\n\
+      https://github.com/IUPAC-InChI/InChI/blob/main/INCHI-1-DOC/UserGuide/InChI_UserGuide.pdf\n\
   Returns:\n\
     a tuple with:\n\
       - the InChI\n\
@@ -139,9 +139,9 @@ BOOST_PYTHON_MODULE(rdinchi) {
     - options: the InChI generation options.\n\
       Options should be prefixed with either a - or a /\n\
       Available options are explained in the InChI technical FAQ:\n\
-      https://www.inchi-trust.org/technical-faq-2/#15.14\n\
+      https://www.inchi-trust.org/technical-faq/#15.14\n\
       and the User Guide available from:\n\
-      https://www.inchi-trust.org/downloads/\n\
+      https://github.com/IUPAC-InChI/InChI/blob/main/INCHI-1-DOC/UserGuide/InChI_UserGuide.pdf\n\
   Returns: the InChI key\n";
   boost::python::def(
       "MolToInchiKey", RDKit::MolToInchiKey,