fix l10n

Siedlerchr · Siedlerchr · commit db5debd9f500 · 2019-01-20T16:37:34.000+01:00
diff --git a/src/main/resources/l10n/JabRef_en.properties b/src/main/resources/l10n/JabRef_en.properties
@@ -2236,3 +2236,5 @@ Main\ layout\ file=Main layout file
 Save\ exporter=Save exporter
 File\ extension\:=File extension\:
 Export\ format\ name\:=Export format name\:
+
+Open\ Help\ page=Open Help page
