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diff --git a/3d_gpu/tutorial.mdwn b/3d_gpu/tutorial.mdwn
index 793eef3e020ed22ca40926f35a37ca672d7b8024..a61ab26001663f9676ca22e4dfd637a3965f8226 100644 (file)
--- a/3d_gpu/tutorial.mdwn
+++ b/3d_gpu/tutorial.mdwn
@@ -176,7 +176,7 @@ a tool.
 Install nmigen (and yosys) by following [[HDL_workflow]]
 then follow the excellent tutorial by Robert
 <https://github.com/RobertBaruch/nmigen-tutorial> and also look up the
-resources here <https://nmigen.info/nmigen/latest/tutorial.html>
+resources here <https://m-labs.hk/gateware/nmigen/>
 
 Pay particular attention to the bits in HDL workflow about using yosys
 "show" command.  This is essential because the nmigen code gets turned