docs: delete excess whitespace and fix typos

docs/advanced-functionality/view-settings.md

@@ -1,10 +1,10 @@
 # View Settings
 
 
-View settings refer to things such as how we display the tree (radal? root-to-tip?), what panels we display (map? tree? both?), what colouring we are using etcetera.
+View settings refer to things such as how we display the tree (radial? root-to-tip?), what panels we display (map? tree? both?), what colouring we are using etcetera.
 There are three ways these can be controlled:
 1. The defaults are configured by the dataset creators (and stored as "display defaults" in the dataset JSON).
-This allows 
+This allows
 2. Interacting with the visualisation (e.g. changing the color-by) modifies the view, and the URL is changed accordingly.
 For instance, change [nextstrain.org/zika](https://nextstrain.org/zika) to have a color-by of author, and you'll see the URL silently update to [?c=author](https://nextstrain.org/zika?c=author).
 If you reload the page or share this URL, then the color-by is set via this URL.
@@ -51,7 +51,7 @@ For instance, go to [nextstrain.org/flu/seasonal/h3n2/ha/2y](https://nextstrain.
 
 URL queries are the part of the URL coming after the `?` character, and typically consist of `key=value` -- for instance [nextstrain.org/zika?c=author](https://nextstrain.org/zika?c=author) has a query with a key `c` and value `author`.
 Multiple queries are separated by the `&` character.
-All URL queries modify the view away from the default settings -- if you change back to a default then that URL query will dissapear.
+All URL queries modify the view away from the default settings -- if you change back to a default then that URL query will disappear.
 
 | Key        | Description | Example(s)  |
 | ---        | ----------- | --------------  |