[PATCH 04/29] examples/rxtx_callbacks: correct documentation errors

[Stephen Hemminger]

Address issues in RX/TX callbacks sample documentation:
- Rewrite confusing paragraph about hardware timestamping for clarity
- Capitalize "linux" to "Linux"

Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>
---
 doc/guides/sample_app_ug/rxtx_callbacks.rst | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/doc/guides/sample_app_ug/rxtx_callbacks.rst b/doc/guides/sample_app_ug/rxtx_callbacks.rst
index cd6512508b..7cee5bbf8c 100644
--- a/doc/guides/sample_app_ug/rxtx_callbacks.rst
+++ b/doc/guides/sample_app_ug/rxtx_callbacks.rst
@@ -17,9 +17,8 @@ packets to add a timestamp. A separate callback is applied to all packets
 prior to transmission to calculate the elapsed time in CPU cycles.
 
 If hardware timestamping is supported by the NIC, the sample application will
-also display the average latency.
-The packet was timestamped in hardware
-on top of the latency since the packet was received and processed by the RX
+also display the average latency since the packet was timestamped in hardware,
+in addition to the latency since the packet was received and processed by the RX
 callback.
 
 
@@ -34,7 +33,7 @@ The application is located in the ``rxtx_callbacks`` sub-directory.
 Running the Application
 -----------------------
 
-To run the example in a ``linux`` environment:
+To run the example in a ``Linux`` environment:
 
 .. code-block:: console
 
-- 
2.51.0