diff --git a/Analyser/ImagingAnalyser.py b/Analyser/ImagingAnalyser.py
index a41b894..c386dd9 100644
--- a/Analyser/ImagingAnalyser.py
+++ b/Analyser/ImagingAnalyser.py
@@ -386,8 +386,25 @@ class ImageAnalyser():
         """
         self._fringeRemoval.span = value
         
-    def load_fringe_removal_background_from_hdf5(self, img_dir, SequenceName, data, shotNum, group, crop=False, load=False, **kwargs):
-        folderPath = img_dir + SequenceName + "/" + data
+    def load_fringe_removal_background_from_hdf5(self, img_dir, SequenceName, date, shotNum, group, crop=False, load=False, **kwargs):
+        """Load the reference background images from hdf5 files of one single shot.  
+
+        :param img_dir: The path of the folder storing data.
+        :type img_dir: str
+        :param SequenceName: The name of the sequence
+        :type SequenceName: str
+        :param date: The date when the shot was taken in 'YYYY/MM/DD'.
+        :type date: str
+        :param shotNum: The number of the shot
+        :type shotNum: str
+        :param group: The name of the group storing the imgaes
+        :type group: str
+        :param crop: If crop the data, defaults to False
+        :type crop: bool, optional
+        :param load: If load the data into RAM, defaults to False
+        :type load: bool, optional
+        """
+        folderPath = img_dir + SequenceName + "/" + date
         filePath = folderPath + "/" + shotNum + "/*.h5"
         
         dataSet = read_hdf5_file(filePath, group, **kwargs)