Apply suggestions from code review

Co-authored-by: Eric Cheng <[email protected]>

docs/guide/unique.md

@@ -10,12 +10,12 @@ faker.animal.type(); //'horse'
 faker.animal.type(); //'horse'
 ```
 
-Some methods and locales use a much smaller data sets than others. For example `faker.animal.type` has only 13 possible animals to choose from. By contrast `faker.person.fullName()` pulls from a list of hundreds of first names, surnames and prefixes/suffixes, so it can generate hundreds of thousands of unique names. Even then, the [birthday paradox](https://en.wikipedia.org/wiki/Birthday_Paradox) means that duplicate values will quickly be generated.
+Some methods and locales use much smaller data sets than others. For example, `faker.animal.type` has only 13 possible animals to choose from. In contrast, `faker.person.fullName()` pulls from a list of hundreds of first names, surnames, and prefixes/suffixes, so it can generate hundreds of thousands of unique names. Even then, the [birthday paradox](https://en.wikipedia.org/wiki/Birthday_Paradox) means that duplicate values will quickly be generated.
 
-Sometimes you want to generate unique values, for example you may wish to have unique values in a database email column.  
+Sometimes, you want to generate unique values. For example, you may wish to have unique values in a database email column.  
 There are a few possible strategies for this:
 
-1. Use `faker.helpers.uniqueArray()` if you want to generate all the values at one time. For example
+1. Use `faker.helpers.uniqueArray()` if you want to generate all the values at one time. For example:
 
 ```ts
 faker.helpers.uniqueArray(faker.internet.email, 1000); // will generate 1000 unique email addresses