Update README.md

README.md

@@ -41,7 +41,7 @@ To get the lecture, you can either click on the first link or follow the procedu
 
 ## Procedure to get the course and do the exercices
 
-**_Remark._** For the students of the CIMPA school, follow the procedure given here: [procedure](procedure_cimpa.md).
+**_Remark._** For the students of the CIMPA school, follow the procedure given here: [Cimpa procedure](cimpa_procedure.md).
 
 In the following, `ROOT` is a variable standing for the root directory where the course repository will be stored. For example, 
 ```bash