Update comment in Urho2D particle samples.

Bin/Data/LuaScripts/25_Urho2DParticle.lua

@@ -2,7 +2,7 @@
 -- This sample demonstrates:
 --     - Creating a 2D scene with particle
 --     - Displaying the scene using the Renderer subsystem
---     - Handling keyboard to move and zoom 2D camera
+--     - Handling mouse move to move particle
 require "LuaScripts/Utilities/Sample"
 
 local scene_ = nil

Bin/Data/Scripts/25_Urho2DParticle.as

@@ -2,7 +2,7 @@
 // This sample demonstrates:
 //     - Creating a 2D scene with particle
 //     - Displaying the scene using the Renderer subsystem
-//     - Handling keyboard to move and zoom 2D camera
+//     - Handling mouse move to move particle
 
 #include "Scripts/Utilities/Sample.as"