README.md in hightop-0.4.0 vs README.md in hightop-0.5.0

@@ -11,11 +11,11 @@
 # }
 ```
 
 Works with Active Record, Mongoid, arrays and hashes
 
-[![Build Status](https://github.com/ankane/hightop/workflows/build/badge.svg?branch=master)](https://github.com/ankane/hightop/actions)
+[![Build Status](https://github.com/ankane/hightop/actions/workflows/build.yml/badge.svg)](https://github.com/ankane/hightop/actions)
 
 ## Installation
 
 Add this line to your application’s Gemfile:
 
@@ -90,21 +90,9 @@
 Min count
 
 ```ruby
 ["up", "up", "down"].top(min: 2)
 ```
-
-## Upgrading
-
-### 0.3.0
-
-Hightop 0.3.0 protects against unsafe input by default. For non-attribute arguments, use:
-
-```ruby
-Visit.top(Arel.sql(known_safe_value))
-```
-
-Also, the `uniq` option has been removed. Use `distinct` instead.
 
 ## History
 
 View the [changelog](https://github.com/ankane/hightop/blob/master/CHANGELOG.md)