diff --git a/editor/extension.ts b/editor/extension.ts
index 33971031..f04b3061 100644
--- a/editor/extension.ts
+++ b/editor/extension.ts
@@ -870,7 +870,7 @@ namespace pxt.editor {
- ${lf("Check your firmware version here and update if needed")}
+ ${lf("Check your firmware version here and update if needed")}
