--- a/python/mozbuild/mozbuild/configure/__init__.py
+++ b/python/mozbuild/mozbuild/configure/__init__.py
@@ -356,16 +356,17 @@ class ConfigureSandbox(dict):
             self._help.add(self._help_option)
         elif moz_logger:
             handler = logging.FileHandler('config.log', mode='w', delay=True)
             handler.setFormatter(formatter)
             logger.addHandler(handler)
 
     def include_file(self, path):
         '''Include one file in the sandbox. Users of this class probably want
+        to use `run` instead.
 
         Note: this will execute all template invocations, as well as @depends
         functions that depend on '--help', but nothing else.
         '''
 
         if self._paths:
             path = mozpath.join(mozpath.dirname(self._paths[-1]), path)
             path = mozpath.normpath(path)