diff --git a/Documentation/networking/j1939.rst b/Documentation/networking/j1939.rst
index 0a4b73b03b99..59f81ba41160 100644
--- a/Documentation/networking/j1939.rst
+++ b/Documentation/networking/j1939.rst
@@ -83,7 +83,7 @@ format, the Group Extension is set in the PS-field.
 
 On the other hand, when using PDU1 format, the PS-field contains a so-called
 Destination Address, which is _not_ part of the PGN. When communicating a PGN
-from user space to kernel (or vice versa) and PDU2 format is used, the PS-field
+from user space to kernel (or vice versa) and PDU1 format is used, the PS-field
 of the PGN shall be set to zero. The Destination Address shall be set
 elsewhere.