Use dataset instead of database

This is of upmost importance!

README.md

@@ -1,10 +1,10 @@
-# HowTheyVote.eu Database
+# HowTheyVote.eu Dataset
 
-HowTheyVote.eu collects data about European Parliament roll-call votes and related data such as biographical information about MEPs and political groups. We provide a full export of the database in CSV format.
+HowTheyVote.eu collects data about European Parliament roll-call votes and related data such as biographical information about MEPs and political groups. We provide our dataset in CSV format.
 
-**[Read more about HowTheyVote.eu and the license for our data →](https://howtheyvote.eu/about)**
+**[Read more about HowTheyVote.eu and our data license →](https://howtheyvote.eu/about)**
 
-To download the current database click [here](https://github.com/HowTheyVote/data/releases/latest).
+To download the current dataset click [here](https://github.com/HowTheyVote/data/releases/latest).
 
 There, you will find the documentation for each data export. At the bottom of each export, you can download all files as a single `export.zip` file.