Update README.md

exercises/1-schema-designer/README.md

@@ -11,16 +11,16 @@ A snack has a brand name, a type (ie. candy, cake), a price, and an available qu
 
 #### Family Tree
 
-Create a table / tables to hold your family tree. IF you are wondering how many generations to go back, you can stop at great grandparents.
+Create a table / tables to hold your family tree.
 
 #### Students and Teachers
 
 Help a school organize their scheduling system.
 
-A class has many students.
-A student has many classes.
-A teacher has many classes.
-A class can have many teachers.
+- A class has many students.
+- A student has many classes.
+- A teacher has many classes.
+- A class can have many teachers.
 
 #### Employees
 
@@ -36,12 +36,12 @@ A department has many employees.
 
 Model a reddit subreddit. Go on [reddit](http://www.reddit.com) and look at what data a subreddit holds.
 
-We know that users can do the following:
+We know that users can perform the following actions:
 
-Subscribe to a subreddit
-Submit a post
-Submit a comment
-Upvote or Downvote a post
+- Subscribe to a subreddit
+- Submit a post
+- Submit a comment
+- Upvote or Downvote a post
 
 #### Art Gallery