Update README.md

README.md

@@ -141,6 +141,9 @@ You can use the following instructions (one or several at a time):
 
 
 ### Other meta-data (`inputs.` in config)
+
+1. Age (```age```) for humans - in years, for macaque and mouse - in days
+2. 
 Full list of available values for each meta-data item you can find in ```p3_entities_with_type.csv```