--- a/src/eric7/Preferences/__init__.py	Thu May 11 10:20:10 2023 +0200
+++ b/src/eric7/Preferences/__init__.py	Thu May 11 10:28:18 2023 +0200
@@ -1019,6 +1019,11 @@
         "PySide6DocDir": "",
         "EricDocDir": "",
         "HelpViewerType": 0,  # internal help viewer
+        # 0     internal help viewer
+        # 1     eric web browser
+        # 2     Qt Assistant
+        # 3     system web browser
+        # 4     custom
         "Bookmarks": "[]",  # empty JSON list
         "QtHelpSearchNewOnStart": True,
     }