update

evaluation/intro.txt

@@ -35,7 +35,7 @@ print(pass_at_k)
 ```
 
 To better understand how pass@k metric works, we will illustrate it with some concrete examples. We select two problems from the HumanEval dataset and see how CodeParrot 🦜 (110M) performs and which code completions pass the unit tests of the two problems below:
-#### Problem 1:
+**Problem 1:**
 
 ```python
 
@@ -51,7 +51,7 @@ def separate_paren_groups(paren_string: str) -> List[str]:
     ['()', '(())', '(()())']
     """
 ````
-#### Problem 2:
+**Problem 2:**
 ```python
 
 def truncate_number(number: float) -> float: