Update mixamo.adoc

src/docs/asciidoc/jme3/advanced/mixamo.adoc

@@ -89,11 +89,11 @@ You can save these FBX export settings by clicking the btn:[+] button next to bt
 .  Create an link:https://www.mixamo.com/[Mixamo] account and login.
 .  Navigate to your `My Assets` directory.
 .  Select `Upload`.
-.  Navigate to the file to be uploaded or drag and drop it onto the file uploader.
+.  Navigate to the file to be uploaded or drag and drop it onto the file up-loader.
 
 [NOTE]
 ====
-Generally, if at any time during the import and rigging process the model does not appear within the time specified in the dialog that is showing, something has went wrong and you will have to restart the process over.
+Generally, if at any time during the import and rigging process the model does not appear within the time specified in the dialog that is showing, something has gone wrong and you will have to restart the process over.
 ====
 
 == Mixamo Auto-Rigger