Update CHANGELOG.md

Author: radeksimko

CHANGELOG.md

@@ -1,12 +1,12 @@
-## 0.16.2 (Unreleased)
+## 0.16.2 (11 May 2021)
 
 ENHANCEMENTS:
 
  - Support templated paths for `-cpuprofile` & `-memprofile` flags of `serve` ([#501](https://github.com/hashicorp/terraform-ls/pull/501))
 
 BUG FIXES:
 
- - didChange: Avoid presenting stale diagnostics ([#488](https://github.com/hashicorp/terraform-ls/pull/488))
+ - Avoid presenting stale diagnostics after document changes ([#488](https://github.com/hashicorp/terraform-ls/pull/488))
 
 ## 0.16.1 (30 April 2021)