Indicate units of 'limit' in 'Integer' error message.

Author: frewsxcv

activemodel/lib/active_model/type/integer.rb

@@ -48,7 +48,7 @@ def cast_value(value)
 
         def ensure_in_range(value)
           unless range.cover?(value)
-            raise ActiveModel::RangeError, "#{value} is out of range for #{self.class} with limit #{_limit}"
+            raise ActiveModel::RangeError, "#{value} is out of range for #{self.class} with limit #{_limit} bytes"
           end
         end