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-rw-r--r--docs/source/plugin-development/plugin-parameters.rst6
1 files changed, 6 insertions, 0 deletions
diff --git a/docs/source/plugin-development/plugin-parameters.rst b/docs/source/plugin-development/plugin-parameters.rst
index a0e0177..fd644bc 100644
--- a/docs/source/plugin-development/plugin-parameters.rst
+++ b/docs/source/plugin-development/plugin-parameters.rst
@@ -54,6 +54,12 @@ which is not supplied as a parameter of
:class:`~flake8.processor.FileProcessor`, which will be a parsed abstract
syntax tree. It is used by plugins like PyFlakes and McCabe.
+When the plugin is run depends on the first parameter, not counting ``self``.
+It can be either ``physical_line``, ``logical_line`` or ``tree``. If the
+parameter is ``tree``, it is run once per file, otherwise once per physical
+line or logical line respectively. If the plugin is using neither of them it
+won't be run at all.
+
Registering Options
===================