^this (I still not sure if I'm doing that right)
If you want your audience to know that Luke has finished the training before Yoda dies the last paragraph could read :
Luke Skywalker has returned to Dagobah and completed his training as a JEDI KNIGHT. Now he prepares to rescue Han Solo from the vile gangster Jabba The Hutt, unaware of the sinister plots laid against him....
Remember four dots (it's important to some people).