Index: /anr/section-3.1.tex
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--- /anr/section-3.1.tex	(revision 231)
+++ /anr/section-3.1.tex	(revision 232)
@@ -180,6 +180,6 @@
 which interact in a complicated way. More recently, it has been noticed
 that all of these are just changes of basis in the iteration domain of
-the program. This has lead to the introduction of the polyhedral model, 
-\cite{FP:96,DRV:2000} in which the combination of two transformation is 
+the program. This has lead to the introduction of the polyhedral model
+\cite{FP:96,DRV:2000}, in which the combination of two transformations is 
 simply a matrix product.