diff --git a/tmpw2001-paper/defs.tex b/tmpw2001-paper/defs.tex
index fc94ba3..5415d08 100644
--- a/tmpw2001-paper/defs.tex
+++ b/tmpw2001-paper/defs.tex
@@ -19,7 +19,7 @@
 
 \ifpdf
   \newcommand{\concept}[1]{\hyperref[concept:#1]{\textsf{#1}}}
-  \newcommand{\stlconcept}[1]{\href{http://www.sgi.com/Technology/STL/#1.html}{\textsf{#1}}}
+  \newcommand{\stlconcept}[1]{\href{http://www.sgi.com/tech/stl/#1.html}{\textsf{#1}}}
   \newcommand{\link}[2]{\hyperref[#1]{#2}}
 \else
   \newcommand{\concept}[1]{\textsf{#1}}