Update Urho3D.dox

Docs/Urho3D.dox

@@ -2,9 +2,9 @@ namespace Urho3D
 {
 
 /**
-\mainpage Urho3D - cross-platform rendering and game engine
+\mainpage Urho3D - cross-platform 2D and 3D game engine
 
-Urho3D (http://urho3d.github.io/) is a lightweight, cross-platform rendering and game engine implemented in C++ and released under the MIT license. It utilizes either Direct3D9 or OpenGL for rendering (%Shader %Model 2 or OpenGL 2.0 required as minimum.)
+Urho3D (http://urho3d.github.io/) is a lightweight, cross-platform 2D and 3D game engine implemented in C++ and released under the MIT license. It utilizes either Direct3D9 or OpenGL for rendering (%Shader %Model 2 or OpenGL 2.0 required as minimum.)
 
 For getting started, see:
 
@@ -37,18 +37,18 @@ For further reference, see:
 \ref Serialization "Serialization" <br>
 \ref Network "Networking" <br>
 \ref Multithreading "Multithreading" <br>
-\ref AttributeAnimation "Attribute Animation" <br>
+\ref AttributeAnimation "Attribute animation" <br>
 \ref Tools "Tools" <br>
 \ref Unicode "Unicode support" <br>
 \ref FileFormats "Custom file formats" <br>
 \ref CodingConventions "Coding conventions" <br>
 \ref ContributionChecklist "Contribution checklist" <br>
 \ref ScriptAPI "Scripting API (generated)" <br>
-\ref LuaScriptAPI "Lua Scripting API (generated)" <br>
+\ref LuaScriptAPI "Lua scripting API (generated)" <br>
 \ref EventList "Event list (generated)" <br>
 \ref AttributeList "Attribute list (generated)" <br>
 
-For Urho3D related links and projects, see \ref ExternalLinks "External Links".
+For Urho3D related links and projects, see \ref ExternalLinks "External links".
 
 For credits, copyright and licensing information, see \ref Credits & \ref License.
 
@@ -313,7 +313,7 @@ V1.0
 
 - Original release.
 
-\page ExternalLinks External Links
+\page ExternalLinks External links
 
 Related projects: