diff --git a/i18n/fy.json b/i18n/fy.json
index 5a7e1da..2dd7af8 100644
--- a/i18n/fy.json
+++ b/i18n/fy.json
@@ -5,7 +5,8 @@
 			"Snakesteuben",
 			"Robin0van0der0vliet",
 			"Macofe",
-			"Robin van der Vliet"
+			"Robin van der Vliet",
+			"PiefPafPier"
 		]
 	},
 	"math-visualeditor-mwlatexinspector-display-default": "Standert",
@@ -13,7 +14,7 @@
 	"math_syntax_error": "Sinboufout",
 	"math_unknown_error": "Unbekinde fout",
 	"math_unknown_function": "unbekinde funksje \"$1\"",
-	"mw_math_mathml": "MathML",
+	"mw_math_mathml": "MathML mei SVG- as PNG-tebekfal (oanbefelle foar moderne webblêders en tagonklikheidshelpmiddels)",
 	"mw_math_png": "PNG-ôfbyldings",
 	"mw_math_source": "LaTeX-boarne (foar tekstblêders)",
 	"prefs-math": "Formules"