[PATCH 25/29] doc/guides: improve pipeline sample app guide

[Stephen Hemminger]

Improve the pipeline sample application documentation:
- rename "Application overview" to "Overview"
- rename "Application stages" to "Explanation"

Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>
---
 doc/guides/sample_app_ug/pipeline.rst | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/doc/guides/sample_app_ug/pipeline.rst b/doc/guides/sample_app_ug/pipeline.rst
index 2d7c977068..1ea845be2d 100644
--- a/doc/guides/sample_app_ug/pipeline.rst
+++ b/doc/guides/sample_app_ug/pipeline.rst
@@ -4,8 +4,8 @@
 Pipeline Application
 ====================
 
-Application overview
---------------------
+Overview
+--------
 
 This application showcases the features of the Software Switch (SWX) pipeline that is aligned with the P4 language.
 
@@ -93,8 +93,10 @@ When running a telnet client as above, command prompt is displayed:
 Once application and telnet client start running, messages can be sent from client to application.
 
 
-Application stages
-------------------
+Explanation
+-----------
+
+Here is a description of the various stages of the application.
 
 Initialization
 ~~~~~~~~~~~~~~
-- 
2.51.0