Update 05_object_oriented_programming.ipynb

Co-authored-by: Pascal Su <pascal.su@empa.ch>

Author: despadam

05_object_oriented_programming.ipynb

@@ -1007,7 +1007,7 @@
     "%%ipytest\n",
     "\n",
     "def solution_oop_compare_persons(person_1: tuple[str], person_2: tuple[str]) -> list:\n",
-    "    \"\"\"A function that contains the definition of a class Person, and returns an instance of it.\n",
+    "    \"\"\"A function that contains the definition of a class Person, and returns two instances of it.\n",
     "\n",
     "    Person is a class with two attributes called 'first_name' and 'last_name'.\n",
     "    Person implements the __eq__() comparison method,\n",