Update hello_main_event_loop.adoc

Fixed broken new lines and italics.

src/docs/asciidoc/jme3/beginner/hello_main_event_loop.adoc

@@ -96,8 +96,10 @@ Note the the three phases of every game:
 
 Since rendering is automatic, initialization and updating are the two most important concepts in a SimpleApplication-based game for you:
 
-*  The `simpleInitApp()` method is the application's “first breath. +Here you load and create game data (once).
-*  The `simpleUpdate()` method is the application's “heartbeat (the time unit is called `ticks`). +Here you change their properties to update the game state (repeatedly).
+*  The `simpleInitApp()` method is the application's “first breath. +
+Here you load and create game data (once).
+*  The `simpleUpdate()` method is the application's “heartbeat (the time unit is called `ticks`). +
+Here you change their properties to update the game state (repeatedly).
 
 
 [TIP]
@@ -138,7 +140,7 @@ Link to user-proposed solutions: <<jm3/solutions#,Some proposed solutions>> +
 
 Now you are listening to the update loop, “the heart beat of the game, and you can add all kinds of action to it. 
 
-The next thing the game needs is some _inter_action! Continue learning how to <<jme3/beginner/hello_input_system#,respond to user input>>.
+The next thing the game needs is some __inter__action! Continue learning how to <<jme3/beginner/hello_input_system#,respond to user input>>.
 
 '''