diff --git a/editions/introduction/tiddlywiki.info b/editions/introduction/tiddlywiki.info
index bdbde04cd..8ba57fefa 100644
--- a/editions/introduction/tiddlywiki.info
+++ b/editions/introduction/tiddlywiki.info
@@ -18,6 +18,7 @@
 	],
 	"languages": [
 		"da-DK",
+		"el-GR",
 		"en-US",
 		"en-GB",
 		"de-AT",