diff --git a/sys/dev/pci/pcib_if.m b/sys/dev/pci/pcib_if.m
index f4f16f46614..ce7c414978b 100644
--- a/sys/dev/pci/pcib_if.m
+++ b/sys/dev/pci/pcib_if.m
@@ -110,7 +110,7 @@ METHOD int route_interrupt {
 } DEFAULT null_route_interrupt;
 
 #
-# Allocate 'count' MSI messsages mapped onto 'count' IRQs.  'irq' points
+# Allocate 'count' MSI messages mapped onto 'count' IRQs.  'irq' points
 # to an array of at least 'count' ints.  The max number of messages this
 # device supports is included so that the MD code can take that into
 # account when assigning resources so that the proper number of low bits