diff --git a/help/help_mp-tr.h.charset b/help/help_mp-tr.h.charset
index 87cff8fe37..7edc66b06a 100644
--- a/help/help_mp-tr.h.charset
+++ b/help/help_mp-tr.h.charset
@@ -1 +1 @@
-ISO-8859-9
+UTF-8