diff --git a/src/PIL/features.py b/src/PIL/features.py
index 7c5112ef6e4..15ab6aa45c5 100644
--- a/src/PIL/features.py
+++ b/src/PIL/features.py
@@ -230,6 +230,9 @@ def pilinfo(out=None, supported_formats=True):
     """
     Prints information about this installation of Pillow.
     This function can be called with ``python3 -m PIL``.
+    It can also be called with ``python3 -m PIL --bugreport`` to have
+    "supported_formats" set to ``False``, omitting the list of all supported image
+    file formats.
 
     :param out:
         The output stream to print to. Defaults to ``sys.stdout`` if ``None``.