Update getting-started-linux-tutorial.rst : Rearrange linux.pstree plugin description

Moved plugin output example above the feature explanation for better flow and clarity.  
Simplified the description while retaining key points about process hierarchy and anomaly detection.

doc/source/getting-started-linux-tutorial.rst

@@ -133,9 +133,7 @@ This detailed view allows investigators to correlate user privileges, startup ti
 
 linux.pstree
 ~~~~~~~~~~~~
-
-This plugin presents the process hierarchy as a tree, clearly showing parent-child relationships between processes.  
-It is especially useful for identifying unusual or suspicious process structures, such as orphaned child processes, injected children under legitimate parents, or long chains of shell execution.
+This plugin presents the process hierarchy as a tree, clearly showing parent-child relationships between processes. 
 
 .. code-block:: shell-session
 
@@ -155,7 +153,10 @@ It is especially useful for identifying unusual or suspicious process structures
         **** 0x8ca671210000     1608    1608    1507    gnome-session-b
         ***** 0x8ca66fba42c0    1765    1765    1608    ssh-agent
 
-The tree view can help identify anomalies in process launch sequences or privilege escalations by inspecting unexpected parent-child relationships.
+ 
+It helps identify unusual or suspicious process structures such as orphaned child processes, injected children under legitimate parents, or long chains of shell execution.
+The tree view is particularly useful for spotting anomalies in process launch sequences or privilege escalations by inspecting unexpected parent-child relationships.
+
 
 
 linux.bash