diff --git a/localedata/ChangeLog b/localedata/ChangeLog
index 34e2080b10..4b5fa21c7c 100644
--- a/localedata/ChangeLog
+++ b/localedata/ChangeLog
@@ -1,3 +1,8 @@
+2017-07-07  Akhilesh Kumar <akhilesh.k@samsung.com>
+
+	[BZ #21727]
+	* locales/ts_ZA (LC_MESSAGES): Add yesstr and nostr
+
 2017-07-07  Akhilesh Kumar <akhilesh.k@samsung.com>
 
 	[BZ #21729]
diff --git a/localedata/locales/ts_ZA b/localedata/locales/ts_ZA
index 9df1859a49..576800cd9c 100644
--- a/localedata/locales/ts_ZA
+++ b/localedata/locales/ts_ZA
@@ -174,8 +174,13 @@ week 7;19971130;1
 END LC_TIME
 
 LC_MESSAGES
+% http://www.xitsonga.org/dictionary/english?-=n
+% Yes -> Ina
+% No  -> Ee
 yesexpr "<U005E><U005B><U002B><U0031><U0079><U0059><U005D>"
 noexpr  "<U005E><U005B><U002D><U0030><U006E><U004E><U005D>"
+yesstr  "<U0049><U006E><U0061>"
+nostr   "<U0045><U0065>"
 END LC_MESSAGES
 
 LC_PAPER