Tidy up

docs/lectures/infovis/01_intro.md

@@ -4,7 +4,7 @@
 
 - How do we avoid being overwhelmed?
 - How do we make sense of the data?
-- How do we harness this data in decision-making process?
+- How do we harness this data in the decision-making process?
 
 ###### Objective
 
@@ -23,26 +23,21 @@ Here we can see that statistically these sets are similar
 
 ![1645029788.png](img/1645029788.png)
 
-However graphing them, we can see that these data sets are very different.
+However, by graphing them, we can see that these data sets are very different.
 
 #### Common Information Visualisations
 
 - Pie charts
-  - Very common, easy to understand, visually appealing
-  - Can make comparisons harder with many segments
+    - Very common, easy to understand, visually appealing
+    - Can make comparisons harder with many segments
 - Bar chart
-  - Makes comparisons between bars easier
+    - Makes comparisons between bars easier
 - Calendar View
-  - https://observablehq.com/@d3/calendar
-  - Can spot long-term trends - e.g. seasonal, annual trends
+    - https://observablehq.com/@d3/calendar
+    - Can spot long-term trends - e.g. seasonal, annual trends
 
 ###### Wikipedia Edit Evolution
 
 ![img](img/a.png)
 
 Note the use of colour and shape.
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