diff -r 990f066609c9 -r 0fb396ae137a LMCS-Paper/document/root.tex
--- a/LMCS-Paper/document/root.tex	Tue Apr 10 15:18:52 2012 +0100
+++ b/LMCS-Paper/document/root.tex	Tue Apr 10 15:19:42 2012 +0100
@@ -76,7 +76,7 @@
 \email{cezary.kaliszyk@uibk.ac.at}
 \thanks{$^\star$~This is a revised and expanded version of~\cite{UrbanKaliszyk11}}
 
-\keywords{Nominal Isabelle, variable convention, theorem provers, formal reasoning, lambda-calculus}
+\keywords{Nominal Isabelle, variable convention, alpha-equivalence, theorem provers, formal reasoning, lambda-calculus}
 \subjclass{F.3.1}
 
 \begin{abstract}