Update README

Signed-off-by: p-arvy <[email protected]>

docs/optimizer/inputs.md

@@ -3,7 +3,7 @@
 ## Network data
 
 Files with the prefix `ampl_` contain the data and the parameters of the network on which the reactive OPF is executed.
-These files are obtained by using the [PowSyBl AMPL export](inv:powsyblcore:*:*:#grid_exchange_formats/ampl/export), which is the default version.
+[V2 of the extended version of PowSyBl AMPL export](https://github.com/powsybl/powsybl-core/blob/main/ampl-converter/src/main/java/com/powsybl/ampl/converter/version/ExtendedAmplExporterV2.java), which is the default version.
 
 ## Configuration of the run