Apply review comments from #6612. (#6616)
TBR @abarth
diff --git a/packages/flutter/lib/src/material/scaffold.dart b/packages/flutter/lib/src/material/scaffold.dart
index f8d8cd7..d9608a5 100644
--- a/packages/flutter/lib/src/material/scaffold.dart
+++ b/packages/flutter/lib/src/material/scaffold.dart
@@ -450,7 +450,7 @@
return result;
throw new FlutterError(
'Scaffold.of() called with a context that does not contain a Scaffold.\n'
- 'No Scaffold could be found starting from the context that was passed to Scaffold.of(). '
+ 'No Scaffold ancestor could be found starting from the context that was passed to Scaffold.of(). '
'This usually happens when the context provided is from the same StatefulWidget as that '
'whose build function actually creates the Scaffold widget being sought.\n'
'There are several ways to avoid this problem. The simplest is to use a Builder to get a '