fix(info): Fix trailing newlines for hints

Author: marisa

info.toml

@@ -105,8 +105,7 @@ a value based on its operand, and statements simply return a () type which behav
 We want to return a value of `i32` type from the `square` function, but it is returning a `()` type...
 They are not the same. There are two solutions:
 1. Add a `return` ahead of `num * num;`
-2. remove `;`, make it to be `num * num`
-"""
+2. remove `;`, make it to be `num * num`"""
 
 # TEST 1
 
@@ -156,8 +155,7 @@ that you want to end up in the slice.
 If you're curious why the right hand of the `==` comparison does not
 have an ampersand for a reference since the left hand side is a
 reference, take a look at the Deref coercions section of the book:
-https://doc.rust-lang.org/book/ch15-02-deref.html
-"""
+https://doc.rust-lang.org/book/ch15-02-deref.html"""
 
 [[exercises]]
 name = "primitive_types5"