small correction to comment

algorithm/SalamanderImage.py

@@ -13,9 +13,11 @@ class SalamanderImage:
 
     def calculate_descriptors(self):
         """
-		Calculates the descriptors if the member image
-		Returns: The calculated descriptors
-		"""
+        Calculates the descriptors of the member image
+
+        Returns: The calculated descriptors
+
+        """
 
         image = cv2.imdecode(np.fromfile(self.filename, dtype=np.uint8), cv2.IMREAD_GRAYSCALE)