12309 errors in section 9e of the manual

@@ -9,11 +9,11 @@
 .\" http://www.illumos.org/license/CDDL.
 .\"
 .\"
 .\" Copyright 2016 Joyent, Inc.
 .\"
-.Dd Nov 26, 2017
+.Dd February 15, 2020
 .Dt USBA_HCDI_PIPE_OPEN 9E
 .Os
 .Sh NAME
 .Nm usba_hcdi_pipe_open ,
 .Nm usba_hcdi_pipe_close

@@ -123,11 +123,11 @@
 It is the responsibility of the driver to clear the data when the pipe is
 closed.
 .Ss Pipe close specifics
 When a pipe is closed, the driver must clean up all of the resources
 that it allocated when opening the pipe.
-For non-periodic transfers, the host controller driver may assueme that there
+For non-periodic transfers, the host controller driver may assume that there
 are no outstanding transfers that need to be cleaned up.
 However, the same is not true for periodic pipes.
 .Pp
 For pipes that have outstanding periodic transfers, the host controller
 driver needs to clean them up and quiesce them as though a call to