diff --git a/docs/HOWTO-Translate.md b/docs/HOWTO-Translate.md
index 6051a34..1a4cd8b 100644
--- a/docs/HOWTO-Translate.md
+++ b/docs/HOWTO-Translate.md
@@ -4,6 +4,7 @@ To translate 'Audio Recorder' to your language you need to translate following f
 
   * [pref_general.xml](/app/src/main/res/xml/pref_general.xml)
   * [strings.xml](/app/src/main/res/values/strings.xml)
+  * [about.html](/app/src/main/res/raw/about.html)
 
 Additional file from 'android-library'
   * [https://gitlab.com/axet/android-library/.../strings.xml](https://gitlab.com/axet/android-library/blob/master/src/main/res/values/strings.xml)