diff --git a/usr.sbin/trim/trim.8 b/usr.sbin/trim/trim.8
index 7c8f3b36d52..caef15d98c1 100644
--- a/usr.sbin/trim/trim.8
+++ b/usr.sbin/trim/trim.8
@@ -58,7 +58,7 @@ utility should not be used upon mounted file system or active devices
 being a part of imported ZFS pool or other software RAID, and the kernel
 does not permit such usage generally.
 If used upon not mounted file system
-of inactive device, the
+or inactive device, the
 .Nm
 utility erases blocks non-selectively, whether a block is occupied or not.
 Refer to the