I found a problem in a Guide
On occasion errors are found in one of our formal guides. Luckily each guide has a component in our Bugzilla system. Please visit our Bugzilla component and file a bug against the guide and one of our developers will try to remedy the issue you found. We appreciate your input and patches are welcome!
I found a problem on the wiki
You're in luck! The wiki is a community collaboration tool so you can make the change yourself! You will need a FAS account, however, to make those edits but once you do please feel free to join in with making the wiki pages better.
You can also if you have questions.