diff --git a/src/APIHandler.py b/src/APIHandler.py
index 65c67c3..14d4d08 100644
--- a/src/APIHandler.py
+++ b/src/APIHandler.py
@@ -123,7 +123,7 @@ class APIHandler:
         elabid,
         entryType="experiments",
         dump_dir="output/attachments",
-        persistent=True,
+        # persistent=True,
     ):
         """
         Downloads attachments of a certain eLabFTW experiment (default) or item.
diff --git a/src/main.py b/src/main.py
index 769f615..b227621 100755
--- a/src/main.py
+++ b/src/main.py
@@ -214,10 +214,10 @@ def analyse_rheed_data(data):
     -----
 
     Distinct ValueErrors are raised if:
-    - The array is not 2-dimensional;
-    - The total number of columns does not equate exactly 1+3 (= 4).
+    * The array is not 2-dimensional;
+    * The total number of columns does not equate exactly 1+3 (= 4).
 
-    Time is expressed in seconds, intensities are normalized (adimensional).
+    Time is expressed in seconds, intensities are adimensional on 8 bits (min. 0, max. 255).
 
     # TO-DO: complete this description...
     Written with help from DeepSeek.
@@ -717,6 +717,7 @@ if __name__ == "__main__":
     # (IF PRESENT ←→ also handle missing file error)
     # and merge all data in a single file to analyse it
     # WARNING: fails if file is missing
+
     with open("tests/Realtime_Window_Analysis.txt", "r") as o:
         osc = np.loadtxt(o, delimiter="\t")
     try: