README: fixes reference to search service (renames vlkb-search -> vlkb-siav2)

README.md

@@ -16,10 +16,10 @@ The service consists of
 - **vlkb-soda** web-application and associated **vlkbd** daemon to access FITS file contents based on VO SODA
 - **vlkb** command line utility to perform some of the functionalities of the web-applications on command line
 
-It can be used with vlkb-search to provide complete data discovery and access service:
-- **vlkb-search** web-application and associated **vlkb-obscore** command line tool based on VO ObsCore table
+It can be used with vlkb-siav2 to provide complete data discovery and access service:
+- **vlkb-siav2** web-application and associated **vlkb-obscore** command line tool based on VO ObsCore table
 
-The vlkb-search web-app is available from https://ict.inaf.it/gitlab/ViaLactea/vlkb-search .
+The vlkb-siav2 web-app is available from https://ict.inaf.it/gitlab/ViaLactea/vlkb-siav2 .
 
 Dockerized version is available from this projects registry git.ia2.inaf.it:5050/vialactea/vlkb-soda.