diff --git a/packages/flutter/lib/src/painting/text_style.dart b/packages/flutter/lib/src/painting/text_style.dart
index 217507ed32..07bbd1ab27 100644
--- a/packages/flutter/lib/src/painting/text_style.dart
+++ b/packages/flutter/lib/src/painting/text_style.dart
@@ -334,6 +334,16 @@ const double _kDefaultFontSize = 14.0;
 /// ```
 /// {@end-tool}
 ///
+/// #### Supported font formats
+///
+/// Font formats currently supported by Flutter :
+///
+///  * `.ttc`
+///  * `.ttf`
+///  * `.otf`
+///
+/// Flutter does not support `.woff` and `.woff2` fonts for all platforms.
+///
 /// ### Custom Font Fallback
 ///
 /// A custom [fontFamilyFallback] list can be provided. The list should be an