Update 'index.html'

index.html

@@ -286,7 +286,7 @@
  <div class='subrow'>
  <p class='subcl1'>Federico Poni</p>
  <p class='subcl2'><a href='RuralComputing/' target="_blank" class='ext'>Concert, Computation, Conviviality</a></p>
- <p class='subcl3'><a href='RuralComputng/pdf/thesis.pdf' target="_blank" class='ext'>PDF</a>
+ <p class='subcl3'><a href='RuralComputng/pdf/Poni_2022__Towards_a_Cosmology_for_Rural_Computing_(compressed).pdf ' target="_blank" class='ext'>PDF</a>
  </div>
  <div class='subrow'>
  <p class='subcl1'>Louisa Teichmann</p>