[rtems-docs commit] c-user: Use glossary term

[Sebastian Huber]

Module:    rtems-docs
Branch:    master
Commit:    6ee9317ee91af413363c05a5f7ba6c612a7bec2c
Changeset: http://git.rtems.org/rtems-docs/commit/?id=6ee9317ee91af413363c05a5f7ba6c612a7bec2c

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Thu Apr 22 13:45:24 2021 +0200

c-user: Use glossary term

---

 c-user/semaphore/directives.rst | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/c-user/semaphore/directives.rst b/c-user/semaphore/directives.rst
index 7c2a9c8..ce5deb0 100644
--- a/c-user/semaphore/directives.rst
+++ b/c-user/semaphore/directives.rst
@@ -466,9 +466,9 @@ Obtains the semaphore.
     This parameter is the option set.
 
 ``timeout``
-    This parameter is the timeout in clock ticks if the :c:macro:`RTEMS_WAIT`
-    option is set.  Use :c:macro:`RTEMS_NO_TIMEOUT` to wait potentially
-    forever.
+    This parameter is the timeout in :term:`clock ticks <clock tick>` if the
+    :c:macro:`RTEMS_WAIT` option is set.  Use :c:macro:`RTEMS_NO_TIMEOUT` to
+    wait potentially forever.
 
 .. rubric:: DESCRIPTION: