Link boilerplate for equality in coding agreements. (#6169)
diff --git a/packages/README.md b/packages/README.md
index b82b242..d1d2ce4 100644
--- a/packages/README.md
+++ b/packages/README.md
@@ -18,3 +18,7 @@
## Naming for typedefs and function variables
Follow [Flutter repo naming rules for typedefs and function variables](https://github.com/flutter/flutter/wiki/Style-guide-for-Flutter-repo#naming-rules-for-typedefs-and-function-variables).
+
+## Overriding equality
+
+Use [boilerplaite](https://github.com/flutter/flutter/wiki/Style-guide-for-Flutter-repo#common-boilerplates-for-operator--and-hashcode).
