diff --git a/po/ChangeLog b/po/ChangeLog
index c41372996..09674fa00 100644
--- a/po/ChangeLog
+++ b/po/ChangeLog
@@ -1,3 +1,8 @@
+2005-07-22  Roland Illig  <roland.illig@gmx.de>
+
+	* README: Added a section about special strings (containing
+	prefixes like ButtonBar|).
+
 2005-07-21  Arpad Biro  <biro_arpad@yahoo.com>
 
 	* hu.po: Updated Hungary translation for -pre5.
diff --git a/po/README b/po/README
index a2a5dcf00..297a003cb 100644
--- a/po/README
+++ b/po/README
@@ -2,3 +2,12 @@ When you commit a translation, please strip the #: lines before. This
 makes it much easier to view diffs. Example:
 
 	./strip-location *.po
+
+== Special strings ==
+
+Some of the translatable strings are special. They start with one of the
+following prefixes to distinguish them from the usual translations.
+
+ButtonBar|
+ 	These strings are used in the button bar at the bottom of the
+	screen. Only the first six characters will be shown.