Link to Doxygen documentation in README.md

README.md

@@ -38,7 +38,7 @@ $occ->search([
 
 ```
 
-See src/Occurrences.php for more information.
+[More information](http://restelae.pages.res-telae.cat/php-gbif/class_res_telae_1_1_gbif_1_1_occurrences.html) about the Occurrences class.
 
 ### Species
 
@@ -92,4 +92,4 @@ $species = new Species();
 $species->nameSuggest(['q' => 'Puma'], 'rank' => 'genus');
 ```
 
-See src/Species.php for more information.
+[More information](http://restelae.pages.res-telae.cat/php-gbif/class_res_telae_1_1_gbif_1_1_species.html) about the Species class.