Update doc/conference_posters.md

Author: marcobarilari

doc/conference_posters.md

@@ -9,7 +9,7 @@ There you can find powerpoint templates and logos of the main institutions and f
 
 ## Affiliations
 
-see [here](https://cpp-lln-lab.github.io/CPP_LabGuide/papers/#affiliation-for-authors-of-the-cpp-lab)
+see [here](papers.md#affiliation-for-authors-of-the-cpp-lab)
 
 
 In this other [folder](https://drive.google.com/drive/folders/1s5D3lUjc_yjl-tU8ExhMbruQay83ggF8) there are some (old) posters from lab members that can be used as source of inspiration.