diff --git a/i18n/en.json b/i18n/en.json
index c103282..0bcd8b9 100644
--- a/i18n/en.json
+++ b/i18n/en.json
@@ -25,7 +25,7 @@
"math_syntax_error": "syntax error",
"math_timeout": "$1 timeout from \"$2\".",
"math-test-end": "Backend tests for rendering mode ''$1'' completed.",
- "math-test-fail": "Test ''$1'' failed.",
+ "math-test-fail": "Test ''$1'' failed.",
"math-test-start": "Running backend tests for rendering mode ''$1''.",
"math-test-success": "Test ''$1'' succeeded.",
"math-test-contains-diff" : "Returned string $1 does not contain expected string $2.",