Fix typo

tutorial/builds.md

@@ -28,7 +28,7 @@ dates on the doc server. See "Doc server builds", above.
 ## Additional notes
 - If a manual does not validate on some day, it will not be pushed to the mirrors
   until it does validate (hopefully, the next day).
-- Only active translations are bulit on rsync box (and then pushed to regular
+- Only active translations are built on rsync box (and then pushed to regular
   mirrors). This is managed in [web/php/includes/languages.inc][languages.inc]
 - [docs.php.net][docs.php.net] attempts to build all translations (both active)
   and inactive.

tutorial/editing.md

@@ -50,7 +50,7 @@ If you have the appropriate [commit karma][karma], you can commit your modified
 ## Viewing changes online
 Documentation is built every night, at around 23:00 CST, then synced out to the
 website mirrors. However, there is a special mirror at [docs.php.net][docs] - where
-the manual is updated from sources every six hours. If any errors occured, a message
+the manual is updated from sources every six hours. If any errors occurred, a message
 will be delivered to the appropriate mailinglist (`doc-{LANG}@lists.php.net`).
 
 Read more about manual builds in the [builds appendix](builds.php).

tutorial/intro.md

@@ -7,7 +7,7 @@ collectively make changes every day. This guide is designed for people who work
 This guide uses some terminology that you have to know. Don't worry, it's easy:
 - **author** - person who contributes to the original English manual
 - **translator** - person who translates the English manual into another language
-- **{LANG}** - replace it with your two-letter country code, (e.g. when refering
+- **{LANG}** - replace it with your two-letter country code, (e.g. when referring
   to a mailinglist, `doc-{LANG}@lists.php.net`). Note: Brazilian Portuguese differs
   from the rest and it's called *pt_BR* for the SVN module and *pt-br* for the
   mailing list suffix.