diff --git a/i18n/fy.json b/i18n/fy.json
index bac9f472d..4608e0e46 100644
--- a/i18n/fy.json
+++ b/i18n/fy.json
@@ -17,7 +17,7 @@
 	"math_syntax_error": "Sinboufout",
 	"math_unknown_error": "Unbekinde fout",
 	"math_unknown_function": "unbekinde funksje \"$1\"",
-	"mw_math_mathml": "MathML mei SVG- as PNG-tebekfal (oanbefelle foar moderne webblêders en tagonklikenshelpmiddels)",
+	"mw_math_mathml": "SVG mei PNG-tebekfal (MathML kin ynskeakele wurde mei in webblêderútwreiding)",
 	"mw_math_png": "PNG-ôfbyldings",
 	"mw_math_source": "LaTeX-boarne (foar tekstblêders)",
 	"prefs-math": "Formules"
diff --git a/i18n/sje.json b/i18n/sje.json
new file mode 100644
index 000000000..e59f6c4c4
--- /dev/null
+++ b/i18n/sje.json
@@ -0,0 +1,9 @@
+{
+	"@metadata": {
+		"authors": [
+			"Olve Utne"
+		]
+	},
+	"math-visualeditor-mwlatexinspector-display-block": "Buđđusä",
+	"math-wikibase-formula-description": "Gåvådibme"
+}