--- a/issue15.py
+++ b/issue15.py
@@ -1,22 +1,24 @@
 def func(param1=True, param2='default val'):
-    '''Description of func with docstring groups style.
+    """Description of func with docstring groups style.
 
-    Params:
-        param1 - descr of param1 that has True for default value.
-        param2 - descr of param2
+    :param param1: descr of param1 that has True for default value
+    :param param2: descr of param2 (Default value = 'default val')
+    :returns: some value
+    :raises keyError: raises key exception
+    :raises TypeError: raises type exception
 
-    Returns:
-        some value
-
-    Raises:
-        keyError: raises key exception
-        TypeError: raises type exception
-
-    '''
+    """
     pass
 
 class A:
+    """ """
     def method(self, param1, param2=None):
+        """
+
+        :param param1: 
+        :param param2:  (Default value = None)
+
+        """
         pass
 
 if __name__ == "__main__":