userguide: rename pg Lua Scripting->Lua Detection

Since we can have scripts for output _or_ detection, it seems more
clear to rename this page to add more meaning

doc/userguide/lua/lua-functions.rst

@@ -8,7 +8,7 @@ Differences between `output` and `detect`:
 
 Currently, the ``needs`` key initialization varies, depending on what is the goal of the script: output or detection.
 
-If the script is for detection, the ``needs`` initialization should be as seen in the example below (see :ref:`lua-scripting` for a complete example for a detect script):
+If the script is for detection, the ``needs`` initialization should be as seen in the example below (see :ref:`lua-detection` for a complete example of a detection script):
 
 ::
 

doc/userguide/lua/lua-usage.rst

@@ -17,4 +17,4 @@ Lua can be used to write arbitrary output. See :ref:`lua-output` for more inform
 Lua detection
 -------------
 
-Lua script can be used as a filter condition in signatures. See :ref:`lua-scripting` for more information.
+Lua script can be used as a filter condition in signatures. See :ref:`lua-detection` for more information.

doc/userguide/rules/differences-from-snort.rst

@@ -492,7 +492,7 @@ Lua Scripting
    HTTP buffers, etc.
 -  Provides powerful flexibility and capabilities that Snort does
    not have.
--  :doc:`rule-lua-scripting`
+-  More details in: :ref:`lua-detection`
 
 Fast Pattern
 ------------

doc/userguide/rules/index.rst

@@ -36,5 +36,5 @@ Suricata Rules
    ip-reputation-rules
    config
    datasets
-   rule-lua-scripting
+   lua-detection
    differences-from-snort

doc/userguide/rules/lua-detection.rst

@@ -1,7 +1,7 @@
-.. _lua-scripting:
+.. _lua-detection:
 
-Lua Scripting
-=============
+Lua Scripting for Detection
+===========================
 
 Syntax: