diff --git a/docs/i18n_languages.md b/docs/i18n_languages.md
index 161d754..00fe1c8 100644
--- a/docs/i18n_languages.md
+++ b/docs/i18n_languages.md
@@ -20,6 +20,18 @@ Translation in GUI:
 - For all translation in uppercase `{ postProcess: 'capitalizeAll' }`
 - See `.src/i18n/i18n.ts` for processor definition
 
+## Namespace
+
+These are the current namespaces, in which all translations are organized:
+
+- `auth`: relative to the authentication (name, addresses, keys, secrets, seedphrase, and so on...)
+- `core`: all the core translation (the most part)
+- `group`: all translations concerning group management
+- `tutorial`: this is dedicated to the tutorial pages
+
+Please avoid duplication of the same translation.
+In the same page the usage of translations from different namespaces is permissible.
+
 ## Missing language?
 
 - Please open an issue on the project's github repository and specify the missing language, by clicking [here](https://github.com/Qortal/Qortal-Hub/issues/new)