Added minor content claification.

src/docs/asciidoc/jme3/build_jme3_sources_with_netbeans.adoc

@@ -67,9 +67,7 @@ and use the jmonkeyengine repository +++<abbr title="Uniform Resource Locator">U
 * [x] Select Configured Git Repository Location:
 +
 --
-and use the forked +++<abbr title="Uniform Resource Locator">URL</abbr>+++: `https://[email protected]/username/jmonkeyengine`
-
-where username is your username.
+and use the forked +++<abbr title="Uniform Resource Locator">URL</abbr>+++: `https://[email protected]/username/jmonkeyengine` where username is your username.
 
 NOTE: Note the distinction between `//github.com`: in the first case and `//[email protected]`: in the second case.
 --
@@ -80,6 +78,7 @@ NOTE: Note the distinction between `//github.com`: in the first case and `//user
 ..  Note that the jMonkeyEngine repository will be on the left and your repository will be on the right.
 ..  Click the green button btn:[Create pull request]. Give a succinct and informative title, in the comment field give a short explanation of the changes and click the green button btn:[Create pull request] again.
 
+NOTE: See  link:https://github.com/jMonkeyEngine/jmonkeyengine/blob/master/CONTRIBUTING.md[How to contribute to jMonkeyEngine] before submitting a P/R.
 
 == Verify Cloned Subprojects
 
@@ -138,6 +137,8 @@ If you are working on a game project that depends on jme3:
 
 This tip works for any third-party JAR library that you use. (You may have to download the javadoc/sources from their home page separately).
 
+See <<jme3/setting_up_netbeans_and_jme3#setting-up-dependencies#,Setting Up Dependencies>> for additional setup instructions of javadoc and sources.
+
 '''
 
 Sources used: https://github.com/jMonkeyEngine/jmonkeyengine[https://github.com/jMonkeyEngine/jmonkeyengine]