diff --git a/lib/i18n/locales/en.json b/lib/i18n/locales/en.json
index 2ec0df1b..30e3334e 100644
--- a/lib/i18n/locales/en.json
+++ b/lib/i18n/locales/en.json
@@ -142,5 +142,8 @@
 	"IPFS node is offline": "IPFS node is offline",
 	"Starting ipfs process": "Starting ipfs process",
 	"ipfs process started": "ipfs process started",
+	"unknown command": "unknown command",
+	"Simulator not found; Please install it with \"%s\"": "Simulator not found; Please install it with \"%s\"",
+	"IMPORTANT: if you using a NodeJS version older than 6.9.1 then you need to install an older version of testrpc \"%s\"": "IMPORTANT: if you using a NodeJS version older than 6.9.1 then you need to install an older version of testrpc \"%s\"",
 	"IPFS node detected": "IPFS node detected"
 }
\ No newline at end of file