diff --git a/Lib/pydoc.py b/Lib/pydoc.py
index 9747456..e4074dc 100755
--- a/Lib/pydoc.py
+++ b/Lib/pydoc.py
@@ -271,12 +271,11 @@
         # that inherits from another module that has changed).
         if forceload and path in sys.modules:
             if path not in sys.builtin_module_names:
-                # Avoid simply calling reload() because it leaves names in
-                # the currently loaded module lying around if they're not
-                # defined in the new source file.  Instead, remove the
-                # module from sys.modules and re-import.  Also remove any
-                # submodules because they won't appear in the newly loaded
-                # module's namespace if they're already in sys.modules.
+                # Remove the module from sys.modules and re-import to try
+                # and avoid problems with partially loaded modules.
+                # Also remove any submodules because they won't appear
+                # in the newly loaded module's namespace if they're already
+                # in sys.modules.
                 subs = [m for m in sys.modules if m.startswith(path + '.')]
                 for key in [path] + subs:
                     # Prevent garbage collection.