ref-manual: Fixed wording for clarity

Fixes [YOCTO #10898]

I altered the verbiage used to describe the inclusive nature of
the beginline and endline note to be clear to non-native English
speaker based on feedback.

(From yocto-docs rev: 5edf417cd044ded30d1f8366ac0cde336d0da016)

Signed-off-by: Scott Rifenbark <srifenbark@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

documentation/ref-manual/technical-details.xml

@@ -1460,9 +1460,9 @@
                         <listitem><para>
                             When using "beginline" and "endline", realize that
                             line numbering begins with one and not zero.
-                            Also, the lines included are inclusive (e.g. lines
-                            five through 29 in the previous example for
-                            <filename>licfile1.txt</filename>.
+                            Also, the included lines are inclusive (i.e. lines
+                            five through and including 29 in the previous
+                            example for <filename>licfile1.txt</filename>).
                             </para></listitem>
                         <listitem><para>
                             When a license check fails, the selected license