Merge pull request #289 from open-contracting/translation-guidance

Describe what not to translate

docs/standard/translation/using_transifex.rst

@@ -17,6 +17,17 @@ Translator
 #. Click on a resource with untranslated strings
 #. Click "Untranslated"
 #. Read the English text and author the translated text
+
+   .. warning::
+
+      Do not translate:
+
+      -  words in backticks, like \`title\` (often used for schema fields)
+      -  words in single quotes, like 'open' (often used for codelist codes)
+      -  relative URLs, like ``[translate this](#but-not-this)``
+
+      Absolute URLs (that is, starting with ``https://``) can be translated: for example, if the website offers content in multiple languages.
+
 #. Click "Save Translation" (or press ``TAB``)
 #. Repeat from Step 4
 #. Notify the Proofreader when strings have been translated