Fix document reference's title.

Docs/GettingStarted.dox

@@ -180,7 +180,7 @@ Instead of using one of the provided batch files or shell scripts, you can use c
     - On Android platform: android-Build\n
     - On Raspberry Pi platform: raspi-Build\n
 - The runtime and archive output directories are automatically set based on the target platform regardless of the build directory name (should you choose not to adhere with the above). For example on Android platform, they will be android-Bin and android-Lib, respectively.\n
-If you choose not to adhere with this build directory naming convention then you will have to install the Urho3D library into your local filesystem in order to use the Urho3D library in your external project (See \ref Building_Library Library build and \ref UsingLibraryFromSDK "Using Library from SDK").
+If you choose not to adhere with this build directory naming convention then you will have to install the Urho3D library into your local filesystem in order to use the Urho3D library in your external project (See \ref Building_Library and \ref UsingLibraryFromSDK).
 - All the post-CMake workaround and/or bug fixes that are scripted in the batch files or shell scripts are not applied to the generated project file.
 
 Steps to configure: