From 2bb997645fd0ad441e9c6c0a05e6995d0d7439fd Mon Sep 17 00:00:00 2001
From: Eric Prestat <eric.prestat@gmail.com>
Date: Mon, 26 Jul 2021 22:08:29 +0100
Subject: [PATCH] Improve docstring of `_iterate_signal`

---
 hyperspy/signal.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/hyperspy/signal.py b/hyperspy/signal.py
index f275cd9df1..4b761dea58 100644
--- a/hyperspy/signal.py
+++ b/hyperspy/signal.py
@@ -3498,7 +3498,8 @@ def _make_sure_data_is_contiguous(self):
 
     def _iterate_signal(self, iterpath=None):
         """Iterates over the signal data. It is faster than using the signal
-        iterator.
+        iterator, because it avoids making deepcopy of metadata and other
+        attributes.
 
         Parameters
         ----------