diff --git a/scrapy/utils/misc.py b/scrapy/utils/misc.py
index 0b67eaa34..8dc9e13bf 100644
--- a/scrapy/utils/misc.py
+++ b/scrapy/utils/misc.py
@@ -99,10 +99,10 @@ def walk_modules_iter(path: str) -> Iterable[ModuleType]:
     >>> list(walk_modules_iter('scrapy.utils'))
     [<module 'scrapy.utils' from '...'>, ...]
     >>> gen = walk_modules_iter('scrapy.utils.nonexistent') # error not raised until the generator is consumed
-    >>> list(gen)
+    >>> list(gen)  # doctest: +ELLIPSIS
     Traceback (most recent call last):
         ...
-    ModuleNotFoundError: No module named 'scrapy.utils.nonexistent'
+    ModuleNotFoundError: No module named 'scrapy.utils.nonexistent'...
     """
 
     mod = import_module(path)