same typo again

src/animation/PseudoCodeProcessor.java

@@ -76,7 +76,7 @@ public class PseudoCodeProcessor {
                 });
             }
             if( programPointer.getChildCount() == 0 )
-                throw new IllegalStateException( "A Codeline without sublines tryd to make a STEP_INTO." );
+                throw new IllegalStateException( "A Codeline without sublines tried to make a STEP_INTO." );
             else
                 return selectNextNode( (PseudoCodeNode)programPointer.getFirstChild(), programPointer );
         case ControlFlow.STEP_OVER: