Update sample_code.adoc

Cleaned up image block.
Fixed broken link.

src/docs/asciidoc/sdk/sample_code.adoc

@@ -40,7 +40,7 @@ Press Shift-F6 to run a class that is open in the editor, or right-click a class
 
 You may want access to some sample assets, such as 3D models or textures, in one of your projects. A common situation for this would be while going through the <<jme3/beginner#,beginner tutorials>>.
 
-.  Right-click an existing jME3 project in the <<sdk/sdk#,SDK>>, and select Properties.
+.  Right-click an existing jME3 project in the <<sdk#,SDK>>, and select Properties.
 .  In the Properties window, select the Libraries section. Go to the Compile tab, it contains compile-time libraries.
 .  Click the Add Library… button and select the pre-defined `jme3-test-data`. Click OK.
 .  Click OK to save and close the Properties.
@@ -60,7 +60,7 @@ The project's assetManager now has access to sample files from the `jme3-test-da
 == AssetPacks
 
 [.right]
-image::sdk/assetpackbrowser-300x166.jpg[assetpackbrowser-300x166.jpg,width="",height="",align="right"]
+image::sdk/assetpackbrowser-300x166.jpg[assetpackbrowser-300x166.jpg,width="",height=""]
 
 If you need sample 3D models, don't miss the opportunity to download our community-provided <<sdk/asset_packs#,Asset Packs>>!