Corrected spelling.

src/docs/asciidoc/jme3/build_jme3_sources_with_netbeans.adoc

@@ -44,7 +44,7 @@ Local Folder: `~/NetBeansProjects]/jmonkeyengine`
 ..  Select all checkboxes.
 
 .  Click btn:[Next].
-..  Verify the autofill information in the `Destination Directory` dialog is correct.
+..  Verify the auto-fill information in the `Destination Directory` dialog is correct.
 ..  Select: +
 * [x] `Scan for NetBeans Projects after Clone`
 
@@ -76,7 +76,7 @@ NOTE: Note the distinction between `//github.com`: in the first case and `//user
 --
 
 .  To submit changes to the jMonkeyEngine repository after pushing them to your fork:
-..  Go to your version of the repository on github.
+..  Go to your version of the repository on GitHub.
 ..  Click the btn:[New Pull Request] button at the top.
 ..  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.