Update README.md

README.md

@@ -5,12 +5,24 @@ polls a random json endpoint from the collection database and
 then assembles a tweet with:
 
 * Link to record
-* The image of the artwork
-* The title of the artwork
+* An image of the artwork
+* The title(s) of the artwork
+* The maker(s) of the artwork
+* Accession number
 
 This currently pulls just from the works in Prints and Drawings with a picture
 attached, this may change.
 
+The bot tweets at https://twitter.com/fitzArtBot 
+
+## How this works
+
+To make this work, a Twitter App needs to be generated with elevated access to the V2 API (read and write) - apply for access from essential after generation.
+Once you have set up the twitter account, you need to set the 4 keys referred to in the R script as secrets in the github repo settings. Then the action will be executed every 6 hours and send a tweet.
+
+The endpoint from which JSON is retrieved can be found at https://data.fitzmuseum.cam.ac.uk and is also used to run https://random.fitzmuseum.cam.ac.uk 
+
 ## License
 
-GPL V3
+GPL V3 for code 
+Content within the Fitz API that this calls data from is CC-0 for metadata, CC-BY-NC-ND for images.