Translation of Plazierung

I need to write you one more sentence. This is what my teacher told me and the German language is so difficult. So please, as a last favor, would you please write the sentence for me in German?
The error has been corrected. If you want to recommend our site we will be very thankful if you could link from your website to ours, or from your schools' website to ours. This would help us a lot.
I liked the vocabulary builder, which is actually a complementary product to our online vocabulary builder. A lot of people ask me about whether Vocabulix is available for download, and at this time it is not.