diff --git a/appendices/VK_NVX_raytracing.txt b/appendices/VK_NVX_raytracing.txt
index 917a45a2..3503305a 100644
--- a/appendices/VK_NVX_raytracing.txt
+++ b/appendices/VK_NVX_raytracing.txt
@@ -5,10 +5,10 @@ include::meta/VK_NVX_raytracing.txt[]
 
 *Interactions and External Dependencies*::
   - This extension requires the
-    https://www.khronos.org/registry/spir-v/extensions/NVX/SPV_NVX_raytracing.html[+SPV_NVX_raytracing+]
+    https://htmlpreview.github.io/?https://github.com/KhronosGroup/SPIRV-Registry/blob/master/extensions/NV/SPV_NVX_raytracing.html[+SPV_NVX_raytracing+]
     SPIR-V extension.
   - This extension requires the
-    https://github.com/KhronosGroup/GLSL/tree/master/extensions/NVX/GL_NVX_raytracing.txt[+GL_NVX_raytracing+]
+    https://github.com/KhronosGroup/GLSL/blob/master/extensions/nvx/GLSL_NVX_raytracing.txt[+GL_NVX_raytracing+]
     extension for GLSL source languages.
 
 *Contributors*::