diff --git a/tex/final-presentation/slides.tex b/tex/final-presentation/slides.tex
index 76c25466e0..c5e1f51ba1 100644
--- a/tex/final-presentation/slides.tex
+++ b/tex/final-presentation/slides.tex
@@ -391,7 +391,7 @@
           bb0: {
               var0 = arg0.0;         // get the 1st part of the pair
               var1 = arg0.1;         // get the 2nd part of the pair
-              return = (var0, var1); // build a new pair in the result
+              return = (var1, var0); // build a new pair in the result
               goto -> bb1;
           }