At the top of each section of an article (if it has sections, that is), located on the far right of the screen, is an [edit] button. The button is offset slightly above the section, and sometimes new users get confused and think it belongs to the section above it. When you click on the edit button, the edit window opens up, displaying the source text from the section immediately below the edit button. Please use these whenever you can. You can set your preferences to have the section headers themselves to act like the [edit] links.

It's displayed below one day early.

Some tips are obsolete. So we need new tips too. Please share your best tips and tip ideas at the Tip of the day department.

editTomorrow's tip of the day...

When asking a question at the Help desk, Teahouse or the Reference desk, please include all the facts needed to answer the question. Give a link to the page you are asking about, or provide context to your question. For example, do not ask "who was president in 1900?" without mentioning the country you are interested in. This prevents volunteers having to ask follow-up questions before providing answers.

Friendly reminder: the Help desk and Teahouse are for questions on how to use and edit Wikipedia, while the Reference desk is for questions about anything else (real world questions).