Update emails_mert_can_fidan.py

I updated my code for satisfy new test updates.

Author: usrmertc

Week05/emails_mert_can_fidan.py

@@ -26,4 +26,4 @@ def validate(self, data: [str]) -> None:
             if isinstance(email, int):
                 raise ValueError("Only string values accepted!")
             if not re.match(regex_pattern, email):
-                raise ValueError("This is not an email adress!")
+                raise ValueError(f"Invalid email format: {email}")