diff --git a/share/man/man9/rtentry.9 b/share/man/man9/rtentry.9
index 8ddfb0c4747..2dc21f98c28 100644
--- a/share/man/man9/rtentry.9
+++ b/share/man/man9/rtentry.9
@@ -49,7 +49,7 @@ The
 header file defines the structures and manifest constants used in this
 facility.
 .Pp
-The basic structure a route is defined by
+The basic structure of a route is defined by
 .Dq Li struct rtentry ,
 which includes the following fields:
 .Bl -tag -offset indent -width 6n