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Editing most Wikipedia pages is easy. You can choose between two methods: classic editing through wiki markup (wikitext); and a newer system, VisualEditor (VE).

The VisualEditor option is a user-friendly, WYSIWYG (what you see is what you get) system that allows you to edit pages without needing to first learn the wikitext "markup". The VisualEditor user guide has further information.

Editing environments

To edit, click the Edit tab at the top of a Wikipedia page, or click on the blue link ([edit]) to the right of a section heading. This will take you to a new page containing the editable content of the current page. Wiki markup is used extensively throughout Wikipedia for such things as hyperlinks, tables and columns, footnotes, inline citation, special characters.

Edit summary

It's considered good practice to enter a brief explanation of an edit you make. This is done in the edit summary box, under the edit window. For example, after correcting a spelling error, you might just type "sp."; after correcting a typo, you might enter "typo". In such cases, you can, if you wish, check the box "This is a minor edit" (available only if you've logged in).

For more information, see Help:Edit summary

Show preview

Before saving your edit by clicking "Publish changes", it's usually a good idea to click the Show preview button . This lets you see what the page will look like after your edit. We all make mistakes; this feature helps you catch them before other people see them! Using Show preview before saving also lets you format and try other edits without cluttering the page history.

The "Show preview" button is next to the "Publish changes" button, below the edit summary field.
For more information, see Help:Show preview

Save the page

Have you provided an edit summary? Previewed the page? Then you're ready for the final step: Click "Publish changes".