diff --git a/i18n/nn.json b/i18n/nn.json
index 6e8a8de..0d6dc71 100644
--- a/i18n/nn.json
+++ b/i18n/nn.json
@@ -14,6 +14,7 @@
 	"math_sample": "Skriv formel her",
 	"math_syntax_error": "syntaksfeil",
 	"math_tip": "Matematisk formel (LaTeX)",
+	"math-tracking-category-render-error": "Sider med mattevisingsfeil‎",
 	"math_unknown_error": "ukjend feil",
 	"math_unknown_function": "ukjend funksjon",
 	"mw_math_mathml": "MathML dersom mogleg (eksperimentell)",