As a French native speaker, I'm a little bit surprised by the corrected text OP posted in her/his article ( http://www.runwes.com/images/learningfrench/image1.png ). Most of the corrections she/he received are not justified at all. Like using the work "crédits" is totally fine in this context. I can't get why they corrected some connectors like "à" or "pour", as the usage of these in the text seem at least as correct…
It's a typical side-effect of writing anything online. I've had this experience with nearly everything I've ever posted (also: a lot of great comments too). Whenever you want to share knowledge about X: out of the woodwork crawl out the little pests who have nothing to do except hold you to the highest level of scrutiny they can imagine, and they'll word it like they want to crucify you for the slightest infraction.…
You say, with derision and personal insults to those people who dared not meet your standards for perfect corrections and perfect judgement of feedback desirability.