diff --git a/lib/languages b/lib/languages
index 052e5e6cbf..aadf848e85 100644
--- a/lib/languages
+++ b/lib/languages
@@ -148,10 +148,11 @@ End
 # Real languages
 #
 
-# not yet supported by polyglossia
+# will be supported by polyglossia 1.46
 Language afrikaans
 	GuiName          "Afrikaans"
 	BabelName        afrikaans
+#	PolyglossiaName  afrikaans
 	QuoteStyle       polish
 	Encoding         iso8859-15
 	FontEncoding	 T1|OT1
@@ -379,12 +380,13 @@ Language basque
 	EndPostBabelPreamble
 End
 
-# not yet supported by polyglossia
+# will be supported by polyglossia 1.46
 # Up to 2018-08-25 (babel-belarusian 1.4), the babel option is "belarusianb"
 # but the language name "belarusian" (without trailing "b").
 Language belarusian
 	GuiName          "Belarusian"
 	BabelName        belarusian
+#	PolyglossiaName  belarusian
 	QuoteStyle       french
 	Encoding         cp1251
 	FontEncoding	 T2A
@@ -402,11 +404,12 @@ Language bengali
 End
 
 
-# not yet supported by polyglossia
+# will be supported by polyglossia 1.46
 # The (rarely used) Cyrillic script is not supported (try serbian).
 Language bosnian
 	GuiName          "Bosnian"
 	BabelName        bosnian
+#	PolyglossiaName  bosnian
 	QuoteStyle       polish
 	Encoding         iso8859-2
 	FontEncoding	 T1|OT1