diff --git a/doc/drivers.txt b/doc/drivers.txt
index 8692c17..4665698 100644
--- a/doc/drivers.txt
+++ b/doc/drivers.txt
@@ -2167,7 +2167,8 @@ Devices: [National Instruments] PCI-MIO-16XE-50 (ni_pcimio),
   PXI-6040E, PCI-6030E, PCI-6031E, PCI-6032E, PCI-6033E, PCI-6071E, PCI-6023E,
   PCI-6024E, PCI-6025E, PXI-6025E, PCI-6034E, PCI-6035E, PCI-6052E,
   PCI-6110, PCI-6111, PCI-6220, PCI-6221, PCI-6224, PXI-6224,
-  PCI-6225, PXI-6225, PCI-6229, PCI-6250, PCI-6251, PCIe-6251, PXIe-6251,
+  PCI-6225, PXI-6225, PCI-6229, PCI-6250,
+  PCI-6251, PXI-6251, PCIe-6251, PXIe-6251,
   PCI-6254, PCI-6259, PCIe-6259,
   PCI-6280, PCI-6281, PXI-6281, PCI-6284, PCI-6289,
   PCI-6711, PXI-6711, PCI-6713, PXI-6713,