docs(pronoun): correct grammar

subjects/pronoun/README.md

@@ -2,10 +2,19 @@
 
 ### Instructions
 
-Create a function called `pronoun` that has a string as parameter. This function returns an object
-that will have all the personal pronouns, present in the string, as keys. Each key will have a sub object with the
-first word after each of the personal pronouns found in the string.
-Also, a property `count` must be added, to the sub object, with the amount of occurrences of the pronoun.
+Create a function named `pronoun` that accepts a string parameter.
+This function returns an object that will have all the personal pronouns, present in the string, as keys. Each key will have a sub object with the first word after each of the personal pronouns found in the string.
+
+You must also a `count` property to the sub object, with the amount of occurrences of the pronoun.
+
+Pronouns:
+- i
+- you
+- he
+- she
+- it
+- they
+- we
 
 #### Example