diff --git a/pages/common/flutter.md b/pages/common/flutter.md
index 57665aa99..f95ee54cd 100644
--- a/pages/common/flutter.md
+++ b/pages/common/flutter.md
@@ -23,6 +23,6 @@
 
 `flutter doctor`
 
-- List or change Flutter channel. Channels: stable, beta, dev, master
+- List or change Flutter channel. Channels: stable, beta, dev, master:
 
 `flutter channel {{channel}}`