chore: changelog date (#868)

* chore: update changelog date

* fix: typo

CHANGELOG.md

@@ -5,11 +5,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project follows the major and minor version releases of [Core](https://github.com/ArkEcosystem/core). This will change to proper [Semantic Versioning](http://semver.org/spec/v2.0.0.html) after the release of Core 3.0.
 
-## [Unreleased]
+## [2.6.0] - 2020-11-02
 
 ### Added
 
-- feat: advanced search ([#804]https://github.com/ArkEcosystem/explorer/issues/804)
+- feat: advanced search ([#804](https://github.com/ArkEcosystem/explorer/issues/804)
 - feat: add changelog ([#797](https://github.com/ArkEcosystem/explorer/issues/797))
 - feat: delegate pagination ([#792](https://github.com/ArkEcosystem/explorer/issues/792))
 - feat: show registered businesses ([#778](https://github.com/ArkEcosystem/explorer/issues/778))