diff --git a/docs/django.rst b/docs/django.rst
index a1450b07..3870a44e 100644
--- a/docs/django.rst
+++ b/docs/django.rst
@@ -372,6 +372,11 @@ arguments upper-cased with a 'WHITENOISE\_' prefix.
     confident won't benefit from compression, it speeds up the process if we
     just skip over them.
 
+.. attribute:: WHITENOISE_COMPRESSOR_CLASS
+    :default: ``"whitenoise.compress.Compressor"``
+
+    String with custom Compressor class dotted path.
+
 
 .. attribute:: WHITENOISE_ADD_HEADERS_FUNCTION