Fix Typos in Onboarding Tour

Here are some typos and other suggestions. In some cases I wasn't sure what the intended message was so some of my suggestions might not apply.

Done	Required for Release?	Change	Screen
	Yes	Remove the word "around". Remove commas as shown.
	Yes	Fix typos as shown.
	Yes	Fix paragraph as suggested, or suggest another fix.
	Yes	Remove the word "like".
	Yes	Fix typos as shown or provide another suggestion.
	Yes	Fix as shown.
	Yes	Fix as shown.
	Yes	Change as suggested or provide another suggestion.