diff --git a/docs/source/api/input.rst b/docs/source/api/input.rst
index 20aed9c..ba5a6e4 100644
--- a/docs/source/api/input.rst
+++ b/docs/source/api/input.rst
@@ -297,6 +297,7 @@ Constants - Key Codes
 .. lua:attribute:: period: const
 .. lua:attribute:: slash: const
 .. lua:attribute:: backslash: const
+.. lua:attribute:: nonUSBackslash: const
 .. lua:attribute:: tilde: const
 .. lua:attribute:: f1: const
 .. lua:attribute:: f2: const