diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -70,13 +70,11 @@ We also show the limits of dependently-typed functional programming.
 ### Metatheory of Typed Programming Languages
 
 * [(15/09/2017)]
-  [Metatheory of System F. (Type soundness. Erasure)
-  ](http://gallium.inria.fr/~remy/mpri/slides1.pdf)
-  [Intro](http://gallium.inria.fr/~remy/mpri/slides8.pdf)
-  See also [chap 1](http://gallium.inria.fr/~remy/mpri/2016/cours1.pdf) 
-  and [chap 2](http://gallium.inria.fr/~remy/mpri/2016/cours2.pdf) 
+  [Metatheory of System F](http://gallium.inria.fr/~remy/mpri/slides1.pdf)
+  See also [Intro](http://gallium.inria.fr/~remy/mpri/slides8.pdf), 
+  and chap [1](http://gallium.inria.fr/~remy/mpri/2016/cours1.pdf) 
+  and [2](http://gallium.inria.fr/~remy/mpri/2016/cours2.pdf) 
   of course notes.
-  
 * (27/10/2017) ADTs, existential types, GADTs. 
 * (03/11/2017) Logical relations.
 * (10/11/2017) Subtyping. Rows.