Index: PRINCIPLE.md
===================================================================
--- PRINCIPLE.md (revision 51)
+++ PRINCIPLE.md (revision 52)
@@ -93,5 +93,5 @@
References
----------
1. <http://www.gnu.org/software/make/manual/>
-2. <https://radix.pro/build-system/>
+2. <https://radix-linux.su/build-system/>