diff --git a/pyrelacs/repros/repros.py b/pyrelacs/repros/repros.py
index 89171cb..842e3cd 100644
--- a/pyrelacs/repros/repros.py
+++ b/pyrelacs/repros/repros.py
@@ -2,6 +2,7 @@ import sys
 import importlib.util
 import ast
 import pathlib
+from typing import Tuple
 
 from IPython import embed
 import nixio as nix
@@ -11,12 +12,19 @@ log = config_logging()
 
 
 class Repro:
+    """
+    Repro Class that searches in the repro folder for classes instances and executes the
+    the run function in the searched class
+
+    """
+
     def __init__(self) -> None:
         pass
 
     def run_repro(
         self, nix_file: nix.File, name: str, file: pathlib.Path, *args, **kwargs
     ) -> None:
+
         spec = importlib.util.spec_from_file_location("rep", file)
         if not spec:
             log.error("Could not load the file")
@@ -33,7 +41,17 @@ class Repro:
                 else:
                     raise AttributeError(f"{file.name} has no {name} class")
 
-    def names_of_repros(self):
+    def names_of_repros(self) -> Tuple[list, list]:
+        """
+        Searches for class names in the repro folder in all python files
+
+        Returns
+        -------
+        Tuple[list, list]
+            list of class names
+            list of file names from the class names
+        """
+
         file_path_cur = pathlib.Path(__file__).parent
         python_files = list(file_path_cur.glob("**/*.py"))
         exclude_files = ["repros.py", "__init__.py"]