Updated Readme

README.md

@@ -5,13 +5,17 @@ Data visualisation for Creative Technology Data Visualisation Course by Rick van
 ##Data Sources
 
 NL Oil and Gas Portal (http://www.nlog.nl/en/home/NLOGPortal.html)
+
 CBS Wijk- en Buurtkaart 2014 (http://www.cbs.nl/nl-NL/menu/themas/dossiers/nederland-regionaal/publicaties/geografische-data/archief/2015/wijk-en-buurtkaart-2014-art.htm)
 
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 ###Visualisation Sources
 
-Let’s Make a Map (http://bost.ocks.org/mike/map/)
+Let’s Make a Map (http://bost.ocks.org/mike/map/) 
+
 ggplot2-Style Axis (http://bl.ocks.org/mbostock/4349486)
+
 Quantitative Scales (https://github.com/mbostock/d3/wiki/Quantitative-Scales)
+
 D3 Legend (http://codepen.io/jlong/pen/Fcoda)