Update README.md

README.md

@@ -18,7 +18,8 @@ This is the configuration file that defines the project name, data URLs, columns
 
 #### [data.csv](https://github.com/cpietsch/vikus-viewer-data/blob/master/vangogh/data.csv)
 
-The data.csv holds all the metadata information for each object in the collection. The following fields are mandatory: `imageid`, `keywords`, `year`.
+The data.csv holds all the metadata information for each object in the collection. The following fields are mandatory: `id
+`, `keywords`, `year`.
 - `id` is is linked to the name of the corresponding image. (id: 123 -> 123.jpg)
 - `keywords` comma seperated list of keywords for the tags on the top
 - `year` can be a number or a string, will be sorted ascending