I need your HELP (2)

I need your HELP!!
I speak only Spanish, and the English texts included in the web, were obtained by means of the translator Online of Google. If you speak English perfectly and don't understand the texts, I would thank you that you rewrite and post then without errors. Best Regards.
Victor (The Webmaster)

This is the text:

Folding Instructions: To fold the airplane you should follow step to step the following sequence. On the Left side of the paper leaf appears before folding and on the right side of the leaf after folding it. The central image indicates you like you have to fold the leaf, after The folding you should click the button 'Next' to see the next step. You have to repeat these steps until you finish folding the airplane. With the button 'Back' you will return to the previous step. The button 'Start' takes you to the step 1 and the button 'End' takes you to the last step. Any doubt or suggestion make it here in the FORUM