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-rw-r--r--doc/user/io.t3
1 files changed, 2 insertions, 1 deletions
diff --git a/doc/user/io.t b/doc/user/io.t
index 956522617d..722bdc9691 100644
--- a/doc/user/io.t
+++ b/doc/user/io.t
@@ -21,6 +21,7 @@ directives provided by the I/O manager are:
@itemize @bullet
@item @code{@value{DIRPREFIX}io_initialize} - Initialize a device driver
@item @code{@value{DIRPREFIX}io_register_driver} - Register a device driver
+@item @code{@value{DIRPREFIX}io_unregister_driver} - Unregister a device driver
@item @code{@value{DIRPREFIX}io_register_name} - Register a device name
@item @code{@value{DIRPREFIX}io_lookup_name} - Look up a device name
@item @code{@value{DIRPREFIX}io_open} - Open a device
@@ -314,7 +315,7 @@ requires.
@ifset is-C
@findex rtems_io_unregister_driver
@example
-rtems_status_code rtems_io_register_driver(
+rtems_status_code rtems_io_unregister_driver(
rtems_device_major_number major
);
@end example